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Diffstat (limited to 'src/plugins/stn/stn.h')
-rw-r--r-- | src/plugins/stn/stn.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/plugins/stn/stn.h b/src/plugins/stn/stn.h new file mode 100644 index 00000000000..a6f0a0a5998 --- /dev/null +++ b/src/plugins/stn/stn.h @@ -0,0 +1,65 @@ +/* + * 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_ */ |