nvm_parse.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * KUnit tests for NVM parse
 4 *
 5 * Copyright (C) 2025 Intel Corporation
 6 */
 7#include <kunit/static_stub.h>
 8#include <kunit/test.h>
 9#include <iwl-nvm-parse.h>
10
11MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
12
13static const struct nvm_flag_case {
14	const char *desc;
15	u16 nvm_flags;
16	u32 reg_rule_flags;
17	u32 set_reg_rule_flags;
18	u32 clear_reg_rule_flags;
19} nvm_flag_cases[] = {
20	{
21		.desc = "Restricting VLP client and AP access",
22		.nvm_flags = 0,
23		.set_reg_rule_flags = NL80211_RRF_NO_6GHZ_VLP_CLIENT,
24		.clear_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP,
25	},
26	{
27		.desc = "Allow VLP client and AP access",
28		.nvm_flags = NVM_CHANNEL_VLP,
29		.set_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP,
30		.clear_reg_rule_flags = NL80211_RRF_NO_6GHZ_VLP_CLIENT,
31	},
32	{
33		.desc = "Allow VLP client access, while restricting AP access",
34		.nvm_flags = NVM_CHANNEL_VLP | NVM_CHANNEL_VLP_AP_NOT_ALLOWED,
35		.set_reg_rule_flags = 0,
36		.clear_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP |
37					NL80211_RRF_NO_6GHZ_VLP_CLIENT,
38	},
39};
40
41KUNIT_ARRAY_PARAM_DESC(nvm_flag, nvm_flag_cases, desc)
42
43static void test_nvm_flags(struct kunit *test)
44{
45	const struct nvm_flag_case *params = test->param_value;
46	struct iwl_reg_capa reg_capa = {};
47	u32 flags = 0;
48
49	flags = iwl_nvm_get_regdom_bw_flags(NULL, 0, params->nvm_flags,
50					    reg_capa);
51
52	if ((params->set_reg_rule_flags & flags) != params->set_reg_rule_flags)
53		KUNIT_FAIL(test, "Expected set bits:0x%08x flags:0x%08x\n",
54			   params->set_reg_rule_flags, flags);
55
56	if (params->clear_reg_rule_flags & flags)
57		KUNIT_FAIL(test, "Expected clear bits:0x%08x flags:0x%08x\n",
58			   params->clear_reg_rule_flags, flags);
59}
60
61static struct kunit_case nvm_flags_test_cases[] = {
62	KUNIT_CASE_PARAM(test_nvm_flags,
63			 nvm_flag_gen_params),
64	{},
65};
66
67static struct kunit_suite nvm_flags_suite = {
68	.name = "iwlwifi-nvm_flags",
69	.test_cases = nvm_flags_test_cases,
70};
71
72kunit_test_suite(nvm_flags_suite);