1/* SPDX-License-Identifier: GPL-2.0 */
2
3/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2020 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 number of route table entries allotted to the modem */
17#define IPA_ROUTE_MODEM_COUNT	8
18
19/* The maximum number of route table entries (IPv4, IPv6; hashed or not) */
20#define IPA_ROUTE_COUNT_MAX	15
21
22#ifdef IPA_VALIDATE
23
24/**
25 * ipa_table_valid() - Validate route and filter table memory regions
26 * @ipa:	IPA pointer
27
28 * Return:	true if all regions are valid, false otherwise
29 */
30bool ipa_table_valid(struct ipa *ipa);
31
32/**
33 * ipa_filter_map_valid() - Validate a filter table endpoint bitmap
34 * @ipa:	IPA pointer
35 *
36 * Return:	true if all regions are valid, false otherwise
37 */
38bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
39
40#else /* !IPA_VALIDATE */
41
42static inline bool ipa_table_valid(struct ipa *ipa)
43{
44	return true;
45}
46
47static inline bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask)
48{
49	return true;
50}
51
52#endif /* !IPA_VALIDATE */
53
54/**
55 * ipa_table_reset() - Reset filter and route tables entries to "none"
56 * @ipa:	IPA pointer
57 * @modem:	Whether to reset modem or AP entries
58 */
59void ipa_table_reset(struct ipa *ipa, bool modem);
60
61/**
62 * ipa_table_hash_flush() - Synchronize hashed filter and route updates
63 * @ipa:	IPA pointer
64 */
65int ipa_table_hash_flush(struct ipa *ipa);
66
67/**
68 * ipa_table_setup() - Set up filter and route tables
69 * @ipa:	IPA pointer
70 */
71int ipa_table_setup(struct ipa *ipa);
72
73/**
74 * ipa_table_teardown() - Inverse of ipa_table_setup()
75 * @ipa:	IPA pointer
76 */
77void ipa_table_teardown(struct ipa *ipa);
78
79/**
80 * ipa_table_config() - Configure filter and route tables
81 * @ipa:	IPA pointer
82 */
83void ipa_table_config(struct ipa *ipa);
84
85/**
86 * ipa_table_deconfig() - Inverse of ipa_table_config()
87 * @ipa:	IPA pointer
88 */
89void ipa_table_deconfig(struct ipa *ipa);
90
91/**
92 * ipa_table_init() - Do early initialization of filter and route tables
93 * @ipa:	IPA pointer
94 */
95int ipa_table_init(struct ipa *ipa);
96
97/**
98 * ipa_table_exit() - Inverse of ipa_table_init()
99 * @ipa:	IPA pointer
100 */
101void ipa_table_exit(struct ipa *ipa);
102
103#endif /* _IPA_TABLE_H_ */
104