/* * 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_ */