/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
list_push_front(&ml->free, &s->lru_node);
}
ml->secret = random_uint32();
- ml->non_learning_vlans = NULL;
+ ml->flood_vlans = NULL;
return ml;
}
mac_learning_destroy(struct mac_learning *ml)
{
if (ml) {
- bitmap_free(ml->non_learning_vlans);
+ bitmap_free(ml->flood_vlans);
}
free(ml);
}
-/* Provides a bitmap of VLANs which have learning disabled. It takes
- * ownership of the bitmap. Returns true if the set has changed from
- * the previous value. */
+/* Provides a bitmap of VLANs which have learning disabled, that is, VLANs on
+ * which all packets are flooded. It takes ownership of the bitmap. Returns
+ * true if the set has changed from the previous value. */
bool
-mac_learning_set_disabled_vlans(struct mac_learning *ml, unsigned long *bitmap)
+mac_learning_set_flood_vlans(struct mac_learning *ml, unsigned long *bitmap)
{
bool ret = (bitmap == NULL
- ? ml->non_learning_vlans != NULL
- : (ml->non_learning_vlans == NULL
- || !bitmap_equal(bitmap, ml->non_learning_vlans, 4096)));
+ ? ml->flood_vlans != NULL
+ : (ml->flood_vlans == NULL
+ || !bitmap_equal(bitmap, ml->flood_vlans, 4096)));
- bitmap_free(ml->non_learning_vlans);
- ml->non_learning_vlans = bitmap;
+ bitmap_free(ml->flood_vlans);
+ ml->flood_vlans = bitmap;
return ret;
}
static bool
is_learning_vlan(const struct mac_learning *ml, uint16_t vlan)
{
- return !(ml->non_learning_vlans
- && bitmap_is_set(ml->non_learning_vlans, vlan));
+ return !(ml->flood_vlans && bitmap_is_set(ml->flood_vlans, vlan));
}
/* Attempts to make 'ml' learn from the fact that a frame from 'src_mac' was