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+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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 _THREAD_PIPELINE_H_
+#define _THREAD_PIPELINE_H_
+
+#include <rte_pipeline.h>
+
+#include "lconf.h"
+#include "task_base.h"
+
+/* Tasks based on Packet Framework pipelines */
+struct task_pipe {
+ struct task_base base;
+
+ struct rte_pipeline *p;
+ uint32_t port_in_id[MAX_RINGS_PER_TASK];
+ uint32_t port_out_id[MAX_RINGS_PER_TASK];
+ uint32_t table_id[MAX_RINGS_PER_TASK];
+ uint8_t n_ports_in;
+ uint8_t n_ports_out;
+ uint8_t n_tables;
+};
+
+/* Helper function: create pipeline, input ports and output ports */
+void init_pipe_create_in_out(struct task_pipe *tpipe, struct task_args *targ);
+
+/* Helper function: connect pipeline input ports to one pipeline table */
+void init_pipe_connect_one(struct task_pipe *tpipe, struct task_args *targ, uint32_t table_id);
+
+/* Helper function: connect pipeline input ports to all pipeline tables */
+void init_pipe_connect_all(struct task_pipe *tpipe, struct task_args *targ);
+
+/* Helper function: enable pipeline input ports */
+void init_pipe_enable(struct task_pipe *tpipe, struct task_args *targ);
+
+/* Helper function: check pipeline consistency */
+void init_pipe_check(struct task_pipe *tpipe, struct task_args *targ);
+
+/* This function will panic on purpose: tasks based on Packet Framework
+ pipelines should not be invoked via the usual task_base.handle_bulk method */
+int handle_pipe(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts);
+
+/* The pipeline thread can only run tasks based on Packet Framework pipelines */
+int thread_pipeline(struct lcore_cfg *lconf);
+
+#endif /* _THREAD_PIPELINE_H_ */