/*
- * Copyright (c) 2011 Nicira Networks.
+ * Copyright (c) 2011 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdint.h>
#include "packets.h"
+/* LACP Protocol Implementation. */
+
+enum lacp_status {
+ LACP_NEGOTIATED, /* Successful LACP negotations. */
+ LACP_CONFIGURED, /* LACP is enabled but not negotiated. */
+ LACP_DISABLED /* LACP is not enabled. */
+};
+
struct lacp_settings {
- char *name;
- uint8_t id[ETH_ADDR_LEN];
- uint16_t priority;
- bool active;
- bool fast;
+ char *name; /* Name (for debugging). */
+ uint8_t id[ETH_ADDR_LEN]; /* System ID. Must be nonzero. */
+ uint16_t priority; /* System priority. */
+ bool active; /* Active or passive mode? */
+ bool fast; /* Fast or slow probe interval. */
+ bool fallback_ab_cfg; /* Fallback to BM_SLB on LACP failure. */
};
void lacp_init(void);
struct lacp *lacp_create(void);
-void lacp_destroy(struct lacp *);
+void lacp_unref(struct lacp *);
+struct lacp *lacp_ref(const struct lacp *);
void lacp_configure(struct lacp *, const struct lacp_settings *);
bool lacp_is_active(const struct lacp *);
-void lacp_process_pdu(struct lacp *, const void *slave,
- const struct lacp_pdu *);
-bool lacp_negotiated(const struct lacp *);
+void lacp_process_packet(struct lacp *, const void *slave,
+ const struct ofpbuf *packet);
+enum lacp_status lacp_status(const struct lacp *);
struct lacp_slave_settings {
- char *name;
- uint16_t id;
- uint16_t priority;
+ char *name; /* Name (for debugging). */
+ uint16_t id; /* Port ID. */
+ uint16_t priority; /* Port priority. */
+ uint16_t key; /* Aggregation 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_enable(struct lacp *lacp, void *slave_, bool enabled);
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 struct 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 *);