text: /*
  // 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_ */
  