#define THIS_MODULE VLM_mac_learning
#include "vlog.h"
+/* Returns the number of seconds since 'e' was last learned. */
+int
+mac_entry_age(const struct mac_entry *e)
+{
+ time_t remaining = e->expires - time_now();
+ return MAC_ENTRY_IDLE_TIME - remaining;
+}
+
static uint32_t
mac_table_hash(const uint8_t mac[ETH_ADDR_LEN], uint16_t vlan)
{
/* Make the entry most-recently-used. */
list_remove(&e->lru_node);
list_push_back(&ml->lrus, &e->lru_node);
- e->expires = time_now() + 60;
+ e->expires = time_now() + MAC_ENTRY_IDLE_TIME;
/* Did we learn something? */
if (e->port != src_port) {