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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2019-2022 Linaro Ltd.
*/
#ifndef _IPA_TABLE_H_
#define _IPA_TABLE_H_
#include <linux/types.h>
struct ipa;
/* The maximum number of filter table entries (IPv4, IPv6; hashed or not) */
#define IPA_FILTER_COUNT_MAX 14
/* The number of route table entries allotted to the modem */
#define IPA_ROUTE_MODEM_COUNT 8
/* The maximum number of route table entries (IPv4, IPv6; hashed or not) */
#define IPA_ROUTE_COUNT_MAX 15
/**
* 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
* @filter_mask: Filter table endpoint bitmap to check
*
* Return: true if all regions are valid, false otherwise
*/
bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
/**
* ipa_table_hash_support() - Return true if hashed tables are supported
* @ipa: IPA pointer
*/
static inline bool ipa_table_hash_support(struct ipa *ipa)
{
return ipa->version != IPA_VERSION_4_2;
}
/**
* 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
*
* There is no need for a matching ipa_table_teardown() function.
*/
int ipa_table_setup(struct ipa *ipa);
/**
* ipa_table_config() - Configure filter and route tables
* @ipa: IPA pointer
*
* There is no need for a matching ipa_table_deconfig() function.
*/
void ipa_table_config(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_ */
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