/*
* Copyright (c) 2008, 2009 Nicira Networks.
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#ifndef MAC_LEARNING_H
#define MAC_HASH_MASK (MAC_HASH_SIZE - 1)
#define MAC_HASH_SIZE (1u << MAC_HASH_BITS)
-#define MAC_MAX 1024
+#define MAC_MAX 2048
+
+/* Time, in seconds, before expiring a mac_entry due to inactivity. */
+#define MAC_ENTRY_IDLE_TIME 60
/* A MAC learning table entry. */
struct mac_entry {
tag_type tag; /* Tag for this learning entry. */
};
+int mac_entry_age(const struct mac_entry *);
+
/* MAC learning table. */
struct mac_learning {
struct list free; /* Not-in-use entries. */
struct list table[MAC_HASH_SIZE]; /* Hash table. */
struct mac_entry entries[MAC_MAX]; /* All entries. */
uint32_t secret; /* Secret for */
+ unsigned long *non_learning_vlans; /* Bitmap of learning disabled VLANs. */
};
struct mac_learning *mac_learning_create(void);
void mac_learning_destroy(struct mac_learning *);
+bool mac_learning_set_disabled_vlans(struct mac_learning *,
+ unsigned long *bitmap);
tag_type mac_learning_learn(struct mac_learning *,
const uint8_t src[ETH_ADDR_LEN], uint16_t vlan,
uint16_t src_port);