text: /* SPDX-License-Identifier: BSD-3-Clause
   *
   * Copyright (c) 2017-2018 Solarflare Communications Inc.
   * All rights reserved.
   *
   * This software was jointly developed between OKTET Labs (under contract
   * for Solarflare) and Solarflare Communications, Inc.
   */
  
  #ifndef _SFC_FLOW_H
  #define _SFC_FLOW_H
  
  #include <rte_tailq.h>
  #include <rte_flow_driver.h>
  
  #include "efx.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #if EFSYS_OPT_RX_SCALE
  /* RSS configuration storage */
  struct sfc_flow_rss {
  	unsigned int	rxq_hw_index_min;
  	unsigned int	rxq_hw_index_max;
  	unsigned int	rss_hash_types;
  	uint8_t		rss_key[EFX_RSS_KEY_SIZE];
  	unsigned int	rss_tbl[EFX_RSS_TBL_SIZE];
  };
  #endif /* EFSYS_OPT_RX_SCALE */
  
  /* PMD-specific definition of the opaque type from rte_flow.h */
  struct rte_flow {
  	efx_filter_spec_t spec;		/* filter specification */
  #if EFSYS_OPT_RX_SCALE
  	boolean_t rss;			/* RSS toggle */
  	struct sfc_flow_rss rss_conf;	/* RSS configuration */
  #endif /* EFSYS_OPT_RX_SCALE */
  	TAILQ_ENTRY(rte_flow) entries;	/* flow list entries */
  };
  
  TAILQ_HEAD(sfc_flow_list, rte_flow);
  
  extern const struct rte_flow_ops sfc_flow_ops;
  
  struct sfc_adapter;
  
  void sfc_flow_init(struct sfc_adapter *sa);
  void sfc_flow_fini(struct sfc_adapter *sa);
  int sfc_flow_start(struct sfc_adapter *sa);
  void sfc_flow_stop(struct sfc_adapter *sa);
  
  #ifdef __cplusplus
  }
  #endif
  #endif /* _SFC_FLOW_H */
  