text: /* SPDX-License-Identifier: GPL-2.0 */
  
  /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
   * Copyright (C) 2019-2020 Linaro Ltd.
   */
  #ifndef _IPA_TABLE_H_
  #define _IPA_TABLE_H_
  
  #include <linux/types.h>
  
  struct ipa;
  
  /* The size of a filter or route table entry */
  #define IPA_TABLE_ENTRY_SIZE	sizeof(__le64)	/* Holds a physical address */
  
  /* The maximum number of filter table entries (IPv4, IPv6; hashed or not) */
  #define IPA_FILTER_COUNT_MAX	14
  
  /* The maximum number of route table entries (IPv4, IPv6; hashed or not) */
  #define IPA_ROUTE_COUNT_MAX	15
  
  #ifdef IPA_VALIDATE
  
  /**
   * ipa_table_valid() - Validate route and filter table memory regions
   * @ipa:	IPA pointer
  
   * Return:	true if all regions are valid, false otherwise
   */
  bool ipa_table_valid(struct ipa *ipa);
  
  /**
   * ipa_filter_map_valid() - Validate a filter table endpoint bitmap
   * @ipa:	IPA pointer
   *
   * Return:	true if all regions are valid, false otherwise
   */
  bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
  
  #else /* !IPA_VALIDATE */
  
  static inline bool ipa_table_valid(struct ipa *ipa)
  {
  	return true;
  }
  
  static inline bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask)
  {
  	return true;
  }
  
  #endif /* !IPA_VALIDATE */
  
  /**
   * ipa_table_reset() - Reset filter and route tables entries to "none"
   * @ipa:	IPA pointer
   * @modem:	Whether to reset modem or AP entries
   */
  void ipa_table_reset(struct ipa *ipa, bool modem);
  
  /**
   * ipa_table_hash_flush() - Synchronize hashed filter and route updates
   * @ipa:	IPA pointer
   */
  int ipa_table_hash_flush(struct ipa *ipa);
  
  /**
   * ipa_table_setup() - Set up filter and route tables
   * @ipa:	IPA pointer
   */
  int ipa_table_setup(struct ipa *ipa);
  
  /**
   * ipa_table_teardown() - Inverse of ipa_table_setup()
   * @ipa:	IPA pointer
   */
  void ipa_table_teardown(struct ipa *ipa);
  
  /**
   * ipa_table_config() - Configure filter and route tables
   * @ipa:	IPA pointer
   */
  void ipa_table_config(struct ipa *ipa);
  
  /**
   * ipa_table_deconfig() - Inverse of ipa_table_config()
   * @ipa:	IPA pointer
   */
  void ipa_table_deconfig(struct ipa *ipa);
  
  /**
   * ipa_table_init() - Do early initialization of filter and route tables
   * @ipa:	IPA pointer
   */
  int ipa_table_init(struct ipa *ipa);
  
  /**
   * ipa_table_exit() - Inverse of ipa_table_init()
   * @ipa:	IPA pointer
   */
  void ipa_table_exit(struct ipa *ipa);
  
  #endif /* _IPA_TABLE_H_ */
  