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 11 struct 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 */ 25 bool 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 */ 34 bool 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 */ 40 static 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 */ 50 void 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 */ 56 int 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 */ 64 int 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 */ 72 void 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 */ 78 int ipa_table_init(struct ipa *ipa); 79 80 /** 81 * ipa_table_exit() - Inverse of ipa_table_init() 82 * @ipa: IPA pointer 83 */ 84 void ipa_table_exit(struct ipa *ipa); 85 86 #endif /* _IPA_TABLE_H_ */ 87