/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 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 "tag.h"
#include "timeval.h"
-#define MAC_MAX 2048
+struct mac_learning;
+
+/* Default maximum size of a MAC learning table, in entries. */
+#define MAC_DEFAULT_MAX 2048
/* Time, in seconds, before expiring a mac_entry due to inactivity. */
-#define MAC_ENTRY_IDLE_TIME 60
+#define MAC_ENTRY_DEFAULT_IDLE_TIME 300
/* Time, in seconds, to lock an entry updated by a gratuitous ARP to avoid
* relearning based on a reflection from a bond slave. */
} port;
};
-int mac_entry_age(const struct mac_entry *);
+int mac_entry_age(const struct mac_learning *, const struct mac_entry *);
/* Returns true if mac_learning_insert() just created 'mac' and the caller has
* not yet properly initialized it. */
front, most recently used at the back. */
uint32_t secret; /* Secret for randomizing hash table. */
unsigned long *flood_vlans; /* Bitmap of learning disabled VLANs. */
+ unsigned int idle_time; /* Max age before deleting an entry. */
+ size_t max_entries; /* Max number of learned MACs. */
};
/* Basics. */
-struct mac_learning *mac_learning_create(void);
+struct mac_learning *mac_learning_create(unsigned int idle_time);
void mac_learning_destroy(struct mac_learning *);
void mac_learning_run(struct mac_learning *, struct tag_set *);
/* Configuration. */
bool mac_learning_set_flood_vlans(struct mac_learning *,
const unsigned long *bitmap);
+void mac_learning_set_idle_time(struct mac_learning *, unsigned int idle_time);
+void mac_learning_set_max_entries(struct mac_learning *, size_t max_entries);
/* Learning. */
bool mac_learning_may_learn(const struct mac_learning *,