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/*
* Copyright (c) 2017 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 SRC_PLUGINS_STN_STN_H_
#define SRC_PLUGINS_STN_STN_H_
#include <vlib/vlib.h>
#include <vnet/ip/ip4.h>
#include <vnet/ip/ip6.h>
#include <vppinfra/bihash_16_8.h>
typedef struct {
ip46_address_t address;
u32 next_node_index;
u32 sw_if_index;
} stn_rule_t;
typedef struct {
/* pool of stn rules */
stn_rule_t *rules;
/* number of rules */
u32 n_rules;
/* hash table used to retrieve the rule from the ip address */
clib_bihash_16_8_t rule_by_address_table;
u32 punt_to_stn_ip4_next_index;
u32 punt_to_stn_ip6_next_index;
u16 msg_id_base;
} stn_main_t;
typedef struct {
/** Destination address of intercepted packets */
ip46_address_t address;
/** TX interface to send packets to */
u32 sw_if_index;
/** Whether to delete the rule */
u8 del;
} stn_rule_add_del_args_t;
/**
* Add or delete an stn rule.
*/
int stn_rule_add_del (stn_rule_add_del_args_t *args);
extern stn_main_t stn_main;
clib_error_t *
stn_api_init (vlib_main_t * vm, stn_main_t * sm);
#endif /* SRC_PLUGINS_STN_STN_H_ */
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