LXR linux/drivers/net/ipa/ipa

   1/* SPDX-License-Identifier: GPL-2.0 */
   2
   3/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
   4 * Copyright (C) 2019-2021 Linaro Ltd.
   5 */
   6#ifndef _IPA_TABLE_H_
   7#define _IPA_TABLE_H_
   8
   9#include <linux/types.h>
  10
  11struct ipa;
  12
  13/* The maximum number of filter table entries (IPv4, IPv6; hashed or not) */
  14#define IPA_FILTER_COUNT_MAX    14
  15
  16/* The maximum number of route table entries (IPv4, IPv6; hashed or not) */
  17#define IPA_ROUTE_COUNT_MAX     15
  18
  19/**
  20 * ipa_table_valid() - Validate route and filter table memory regions
  21 * @ipa:        IPA pointer
  22 *
  23 * Return:      true if all regions are valid, false otherwise
  24 */
  25bool ipa_table_valid(struct ipa *ipa);
  26
  27/**
  28 * ipa_filter_map_valid() - Validate a filter table endpoint bitmap
  29 * @ipa:        IPA pointer
  30 * @filter_mask: Filter table endpoint bitmap to check
  31 *
  32 * Return:      true if all regions are valid, false otherwise
  33 */
  34bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
  35
  36/**
  37 * ipa_table_hash_support() - Return true if hashed tables are supported
  38 * @ipa:        IPA pointer
  39 */
  40static inline bool ipa_table_hash_support(struct ipa *ipa)
  41{
  42        return ipa->version != IPA_VERSION_4_2;
  43}
  44
  45/**
  46 * ipa_table_reset() - Reset filter and route tables entries to "none"
  47 * @ipa:        IPA pointer
  48 * @modem:      Whether to reset modem or AP entries
  49 */
  50void ipa_table_reset(struct ipa *ipa, bool modem);
  51
  52/**
  53 * ipa_table_hash_flush() - Synchronize hashed filter and route updates
  54 * @ipa:        IPA pointer
  55 */
  56int ipa_table_hash_flush(struct ipa *ipa);
  57
  58/**
  59 * ipa_table_setup() - Set up filter and route tables
  60 * @ipa:        IPA pointer
  61 *
  62 * There is no need for a matching ipa_table_teardown() function.
  63 */
  64int ipa_table_setup(struct ipa *ipa);
  65
  66/**
  67 * ipa_table_config() - Configure filter and route tables
  68 * @ipa:        IPA pointer
  69 *
  70 * There is no need for a matching ipa_table_deconfig() function.
  71 */
  72void ipa_table_config(struct ipa *ipa);
  73
  74/**
  75 * ipa_table_init() - Do early initialization of filter and route tables
  76 * @ipa:        IPA pointer
  77 */
  78int ipa_table_init(struct ipa *ipa);
  79
  80/**
  81 * ipa_table_exit() - Inverse of ipa_table_init()
  82 * @ipa:        IPA pointer
  83 */
  84void ipa_table_exit(struct ipa *ipa);
  85
  86#endif /* _IPA_TABLE_H_ */
  87