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#ifdef IPA_VALIDATE
  20
  21/**
  22 * ipa_table_valid() - Validate route and filter table memory regions
  23 * @ipa:        IPA pointer
  24 *
  25 * Return:      true if all regions are valid, false otherwise
  26 */
  27bool ipa_table_valid(struct ipa *ipa);
  28
  29/**
  30 * ipa_filter_map_valid() - Validate a filter table endpoint bitmap
  31 * @ipa:        IPA pointer
  32 * @filter_mask: Filter table endpoint bitmap to check
  33 *
  34 * Return:      true if all regions are valid, false otherwise
  35 */
  36bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
  37
  38#else /* !IPA_VALIDATE */
  39
  40static inline bool ipa_table_valid(struct ipa *ipa)
  41{
  42        return true;
  43}
  44
  45static inline bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask)
  46{
  47        return true;
  48}
  49
  50#endif /* !IPA_VALIDATE */
  51
  52/**
  53 * ipa_table_hash_support() - Return true if hashed tables are supported
  54 * @ipa:        IPA pointer
  55 */
  56static inline bool ipa_table_hash_support(struct ipa *ipa)
  57{
  58        return ipa->version != IPA_VERSION_4_2;
  59}
  60
  61/**
  62 * ipa_table_reset() - Reset filter and route tables entries to "none"
  63 * @ipa:        IPA pointer
  64 * @modem:      Whether to reset modem or AP entries
  65 */
  66void ipa_table_reset(struct ipa *ipa, bool modem);
  67
  68/**
  69 * ipa_table_hash_flush() - Synchronize hashed filter and route updates
  70 * @ipa:        IPA pointer
  71 */
  72int ipa_table_hash_flush(struct ipa *ipa);
  73
  74/**
  75 * ipa_table_setup() - Set up filter and route tables
  76 * @ipa:        IPA pointer
  77 *
  78 * There is no need for a matching ipa_table_teardown() function.
  79 */
  80int ipa_table_setup(struct ipa *ipa);
  81
  82/**
  83 * ipa_table_config() - Configure filter and route tables
  84 * @ipa:        IPA pointer
  85 *
  86 * There is no need for a matching ipa_table_deconfig() function.
  87 */
  88void ipa_table_config(struct ipa *ipa);
  89
  90/**
  91 * ipa_table_init() - Do early initialization of filter and route tables
  92 * @ipa:        IPA pointer
  93 */
  94int ipa_table_init(struct ipa *ipa);
  95
  96/**
  97 * ipa_table_exit() - Inverse of ipa_table_init()
  98 * @ipa:        IPA pointer
  99 */
 100void ipa_table_exit(struct ipa *ipa);
 101
 102#endif /* _IPA_TABLE_H_ */
 103