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/*
* l2_learn.c : layer 2 learning using l2fib
*
* Copyright (c) 2014 Cisco and/or its affiliates.
* 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:
*
* 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 included_l2learn_h
#define included_l2learn_h
#include <vlib/vlib.h>
#include <vppinfra/bihash_8_8.h>
#include <vnet/ethernet/ethernet.h>
typedef struct
{
/* Hash table */
BVT (clib_bihash) * mac_table;
/* number of dynamically learned mac entries */
u32 global_learn_count;
/* maximum number of dynamically learned mac entries */
u32 global_learn_limit;
/* client waiting for L2 MAC events for learned and aged MACs */
u32 client_pid;
u32 client_index;
/* Next nodes for each feature */
u32 feat_next_node_index[32];
/* convenience variables */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
} l2learn_main_t;
#define L2LEARN_DEFAULT_LIMIT (L2FIB_NUM_BUCKETS * 64)
extern l2learn_main_t l2learn_main;
extern vlib_node_registration_t l2fib_mac_age_scanner_process_node;
typedef enum
{
L2_MAC_AGE_PROCESS_EVENT_START = 1,
L2_MAC_AGE_PROCESS_EVENT_STOP = 2,
L2_MAC_AGE_PROCESS_EVENT_ONE_PASS = 3,
} l2_mac_age_process_event_t;
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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