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https://github.com/openvswitch/ovs
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73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/*
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* Copyright (c) 2011 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LACP_H
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#define LACP_H 1
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#include <stdbool.h>
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#include <stdint.h>
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#include "packets.h"
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/* LACP Protocol Implementation. */
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enum lacp_status {
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LACP_NEGOTIATED, /* Successful LACP negotations. */
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LACP_CONFIGURED, /* LACP is enabled but not negotiated. */
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LACP_DISABLED /* LACP is not enabled. */
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};
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struct lacp_settings {
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char *name; /* Name (for debugging). */
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uint8_t id[ETH_ADDR_LEN]; /* System ID. Must be nonzero. */
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uint16_t priority; /* System priority. */
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bool active; /* Active or passive mode? */
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bool fast; /* Fast or slow probe interval. */
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};
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void lacp_init(void);
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struct lacp *lacp_create(void);
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void lacp_unref(struct lacp *);
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struct lacp *lacp_ref(const struct lacp *);
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void lacp_configure(struct lacp *, const struct lacp_settings *);
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bool lacp_is_active(const struct lacp *);
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void lacp_process_packet(struct lacp *, const void *slave,
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const struct ofpbuf *packet);
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enum lacp_status lacp_status(const struct lacp *);
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struct lacp_slave_settings {
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char *name; /* Name (for debugging). */
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uint16_t id; /* Port ID. */
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uint16_t priority; /* Port priority. */
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uint16_t key; /* Aggregation key. */
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};
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void lacp_slave_register(struct lacp *, void *slave_,
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const struct lacp_slave_settings *);
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void lacp_slave_unregister(struct lacp *, const void *slave);
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void lacp_slave_carrier_changed(const struct lacp *, const void *slave);
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bool lacp_slave_may_enable(const struct lacp *, const void *slave);
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bool lacp_slave_is_current(const struct lacp *, const void *slave_);
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/* Callback function for lacp_run() for sending a LACP PDU. */
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typedef void lacp_send_pdu(void *slave, const void *pdu, size_t pdu_size);
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void lacp_run(struct lacp *, lacp_send_pdu *);
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void lacp_wait(struct lacp *);
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#endif /* lacp.h */
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