2 * l2_learn.c : layer 2 learning using l2fib
4 * Copyright (c) 2014 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #ifndef included_l2learn_h
19 #define included_l2learn_h
21 #include <vlib/vlib.h>
22 #include <vppinfra/bihash_8_8.h>
23 #include <vnet/ethernet/ethernet.h>
30 BVT (clib_bihash) * mac_table;
32 /* number of dynamically learned mac entries */
33 u32 global_learn_count;
35 /* maximum number of dynamically learned mac entries */
36 u32 global_learn_limit;
38 /* maximum number of dynamically learned mac entries per bridge domain */
39 u32 bd_default_learn_limit;
41 /* client waiting for L2 MAC events for learned and aged MACs */
45 /* Next nodes for each feature */
46 u32 feat_next_node_index[32];
48 /* convenience variables */
49 vlib_main_t *vlib_main;
50 vnet_main_t *vnet_main;
53 #define L2LEARN_DEFAULT_LIMIT (L2FIB_NUM_BUCKETS * 64)
55 extern l2learn_main_t l2learn_main;
57 extern vlib_node_registration_t l2fib_mac_age_scanner_process_node;
61 L2_MAC_AGE_PROCESS_EVENT_START = 1,
62 L2_MAC_AGE_PROCESS_EVENT_STOP = 2,
63 L2_MAC_AGE_PROCESS_EVENT_ONE_PASS = 3,
64 } l2_mac_age_process_event_t;
69 * fd.io coding-style-patch-verification: ON
72 * eval: (c-set-style "gnu")