2 * Copyright (c) 2011 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 /* LACP Protocol Implementation. */
27 LACP_NEGOTIATED, /* Successful LACP negotations. */
28 LACP_CONFIGURED, /* LACP is enabled but not negotiated. */
29 LACP_DISABLED /* LACP is not enabled. */
32 struct lacp_settings {
33 char *name; /* Name (for debugging). */
34 uint8_t id[ETH_ADDR_LEN]; /* System ID. Must be nonzero. */
35 uint16_t priority; /* System priority. */
36 bool active; /* Active or passive mode? */
37 bool fast; /* Fast or slow probe interval. */
41 struct lacp *lacp_create(void);
42 void lacp_destroy(struct lacp *);
44 void lacp_configure(struct lacp *, const struct lacp_settings *);
45 bool lacp_is_active(const struct lacp *);
47 void lacp_process_packet(struct lacp *, const void *slave,
48 const struct ofpbuf *packet);
49 enum lacp_status lacp_status(const struct lacp *);
51 struct lacp_slave_settings {
52 char *name; /* Name (for debugging). */
53 uint16_t id; /* Port ID. */
54 uint16_t priority; /* Port priority. */
55 uint16_t key; /* Aggregation key. */
58 void lacp_slave_register(struct lacp *, void *slave_,
59 const struct lacp_slave_settings *);
60 void lacp_slave_unregister(struct lacp *, const void *slave);
61 void lacp_slave_carrier_changed(const struct lacp *, const void *slave);
62 bool lacp_slave_may_enable(const struct lacp *, const void *slave);
63 uint16_t lacp_slave_get_port_id(const struct lacp *, const void *slave);
64 bool lacp_slave_is_current(const struct lacp *, const void *slave_);
66 /* Callback function for lacp_run() for sending a LACP PDU. */
67 typedef void lacp_send_pdu(void *slave, const void *pdu, size_t pdu_size);
69 void lacp_run(struct lacp *, lacp_send_pdu *);
70 void lacp_wait(struct lacp *);