/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2014 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 <stdbool.h>
#include <stdint.h>
-
+#include "ofproto-provider.h"
#include "packets.h"
struct flow;
struct netdev;
struct ofpbuf;
+struct ofproto_dpif;
enum lacp_status;
/* How flows are balanced among bond slaves. */
int up_delay; /* ms before enabling an up slave. */
int down_delay; /* ms before disabling a down slave. */
- /* Legacy compatibility. */
- bool fake_iface; /* Update fake stats for netdev 'name'? */
bool lacp_fallback_ab_cfg; /* Fallback to active-backup on LACP failure. */
+
+ struct eth_addr active_slave_mac;
+ /* The MAC address of the interface
+ that was active during the last
+ ovs run. */
};
/* Program startup. */
void bond_init(void);
/* Basics. */
-struct bond *bond_create(const struct bond_settings *);
+struct bond *bond_create(const struct bond_settings *,
+ struct ofproto_dpif *ofproto);
void bond_unref(struct bond *);
struct bond *bond_ref(const struct bond *);
bool bond_reconfigure(struct bond *, const struct bond_settings *);
-void bond_slave_register(struct bond *, void *slave_, struct netdev *);
+void bond_slave_register(struct bond *, void *slave_, ofp_port_t ofport, struct netdev *);
void bond_slave_set_netdev(struct bond *, void *slave_, struct netdev *);
void bond_slave_unregister(struct bond *, const void *slave);
/* Special MAC learning support for SLB bonding. */
bool bond_should_send_learning_packets(struct bond *);
-struct ofpbuf *bond_compose_learning_packet(struct bond *,
- const uint8_t eth_src[ETH_ADDR_LEN],
- uint16_t vlan, void **port_aux);
+struct dp_packet *bond_compose_learning_packet(struct bond *,
+ const struct eth_addr eth_src,
+ uint16_t vlan, void **port_aux);
+bool bond_get_changed_active_slave(const char *name, struct eth_addr *mac,
+ bool force);
/* Packet processing. */
enum bond_verdict {
BV_DROP_IF_MOVED /* Drop if we've learned a different port. */
};
enum bond_verdict bond_check_admissibility(struct bond *, const void *slave_,
- const uint8_t dst[ETH_ADDR_LEN]);
+ const struct eth_addr dst);
void *bond_choose_output_slave(struct bond *, const struct flow *,
struct flow_wildcards *, uint16_t vlan);
uint64_t n_bytes);
void bond_rebalance(struct bond *);
+/* Recirculation
+ *
+ * Only balance_tcp mode uses recirculation.
+ *
+ * When recirculation is used, each bond port is assigned with a unique
+ * recirc_id. The output action to the bond port will be replaced by
+ * a Hash action, followed by a RECIRC action.
+ *
+ * ... actions= ... HASH(hash(L4)), RECIRC(recirc_id) ....
+ *
+ * On handling first output packet, 256 post recirculation flows are installed:
+ *
+ * recirc_id=<bond_recirc_id>, dp_hash=<[0..255]>/0xff, actions: output<slave>
+ *
+ * Bond module pulls stats from those post recirculation rules. If rebalancing
+ * is needed, those rules are updated with new output actions.
+*/
+void bond_update_post_recirc_rules(struct bond *, const bool force);
+bool bond_may_recirc(const struct bond *, uint32_t *recirc_id,
+ uint32_t *hash_bias);
#endif /* bond.h */