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-rw-r--r--src/plugins/stn/stn.h65
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diff --git a/src/plugins/stn/stn.h b/src/plugins/stn/stn.h
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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_ */