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+/*
+ * Copyright (c) 2017-2019 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 __HICN_DPO_MW_H__
+#define __HICN_DPO_MW_H__
+
+#include <vnet/dpo/dpo.h>
+#include "../strategy_dpo_ctx.h"
+
+typedef struct hicn_strategy_mw_ctx_s
+{
+ hicn_dpo_ctx_t default_ctx;
+
+ u8 weight[HICN_PARAM_FIB_ENTRY_NHOPS_MAX];
+} hicn_strategy_mw_ctx_t;
+
+/**
+ * @brief Lock the mw ctx
+ *
+ * @param dpo Identifier of the dpo of the mw ctx
+ */
+void hicn_strategy_mw_ctx_lock (dpo_id_t * dpo);
+
+/**
+ * @brief Unlock the mw ctx
+ *
+ * @param dpo Identifier of the dpo of the mw ctx
+ */
+void hicn_strategy_mw_ctx_unlock (dpo_id_t * dpo);
+
+/**
+ * @brief Format the dpo ctx for a human-readable string
+ *
+ * @param s String to which to append the formatted dpo ctx
+ * @param ap List of parameters for the formatting
+ *
+ * @result The string with the formatted dpo ctx
+ */
+u8 *format_hicn_strategy_mw_ctx (u8 * s, va_list * ap);
+
+const static dpo_vft_t dpo_strategy_mw_ctx_vft = {
+ .dv_lock = hicn_strategy_mw_ctx_lock,
+ .dv_unlock = hicn_strategy_mw_ctx_unlock,
+ .dv_format = format_hicn_strategy_mw_ctx,
+};
+
+/**
+ * @brief Retrieve an hicn_strategy_mw_ctx object
+ *
+ * @param indext Index of the hicn_dpo_ctx to retrieve
+ * @return The hicn_dpo_ctx object or NULL
+ */
+hicn_dpo_ctx_t *hicn_strategy_mw_ctx_get (index_t index);
+
+/**
+ * @brief Create a new mw ctx
+ *
+ * @param proto The protocol to which the dpo is meant for (see vpp docs)
+ * @param next_hop A list of next hops to be inserted in the dpo ctx
+ * @param nh_len Size of the list
+ * @param dpo_idx index_t that will hold the index of the created dpo ctx
+ * @return HICN_ERROR_NONE if the creation was fine, otherwise EINVAL
+ */
+int
+hicn_strategy_mw_ctx_create (dpo_proto_t proto, const dpo_id_t * next_hop,
+ int nh_len, index_t * dpo_idx);
+
+/**
+ * @brief Add or update a next hop in the dpo ctx.
+ *
+ * This function is meant to be used in the control plane and not in the data plane,
+ * as it is not optimized for the latter.
+ *
+ * @param nh Next hop to insert in the dpo ctx
+ * @param dpo_idx Index of the dpo ctx to update with the new or updated next
+ * hop
+ * @return HICN_ERROR_NONE if the update or insert was fine,
+ * otherwise HICN_ERROR_DPO_CTX_NOT_FOUND
+ */
+int hicn_strategy_mw_ctx_add_nh (const dpo_id_t * nh, index_t dpo_idx);
+
+/**
+ * @brief Delete a next hop in the dpo ctx.
+ *
+ * @param face_id Face identifier of the next hop
+ * @param dpo_idx Index of the dpo ctx to update with the new or updated next
+ * hop
+ * @return HICN_ERROR_NONE if the update or insert was fine,
+ * otherwise HICN_ERROR_DPO_CTS_NOT_FOUND
+ */
+int
+hicn_strategy_mw_ctx_del_nh (hicn_face_id_t face_id, index_t dpo_idx,
+ fib_prefix_t * fib_pfx);
+
+/**
+ * @brief Prefetch a dpo
+ *
+ * @param dpo_idx Index of the dpo ctx to prefetch
+ */
+void hicn_strategy_mw_ctx_prefetch (index_t dpo_idx);
+
+int hicn_dpo_is_type_strategy_mw (const dpo_id_t * dpo);
+
+void hicn_dpo_strategy_mw_module_init (void);
+
+dpo_type_t hicn_dpo_strategy_mw_get_type (void);
+
+u8 *format_hicn_dpo_strategy_mw (u8 * s, va_list * ap);
+
+
+#endif // __HICN_DPO_MW_H__
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */