summaryrefslogtreecommitdiffstats
path: root/net/wireless/tests/chan.c
blob: d02258ac2dabd23dc87ec379a6cb58c74e8a35de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
// SPDX-License-Identifier: GPL-2.0-only
/*
 * KUnit tests for channel helper functions
 *
 * Copyright (C) 2023-2024 Intel Corporation
 */
#include <net/cfg80211.h>
#include <kunit/test.h>

MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);

static struct ieee80211_channel chan_6ghz_1 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 5955,
};

static struct ieee80211_channel chan_6ghz_5 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 5975,
};

static struct ieee80211_channel chan_6ghz_105 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 6475,
};

static const struct chandef_compat_case {
	const char *desc;
	/* leave c1 empty for tests for identical */
	struct cfg80211_chan_def c1, c2;
	/* we test both ways around, so c2 should always be the compat one */
	bool compat;
} chandef_compat_cases[] = {
	{
		.desc = "identical non-HT",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_20_NOHT,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.compat = true,
	},
	{
		.desc = "identical 20 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_20,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.compat = true,
	},
	{
		.desc = "identical 40 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_40,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10,
		},
		.compat = true,
	},
	{
		.desc = "identical 80 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_80,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20,
		},
		.compat = true,
	},
	{
		.desc = "identical 160 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20 + 40,
		},
		.compat = true,
	},
	{
		.desc = "identical 320 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20 + 40 + 80,
		},
		.compat = true,
	},
	{
		.desc = "20 MHz in 320 MHz\n",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_20,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20 + 40 + 80,
		},
		.compat = true,
	},
	{
		.desc = "different 20 MHz",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_20,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_20,
			.chan = &chan_6ghz_5,
			.center_freq1 = 5975,
		},
	},
	{
		.desc = "different primary 160 MHz",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 + 150,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 - 10,
		},
	},
	{
		/* similar to previous test but one has lower BW */
		.desc = "matching primary 160 MHz",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 + 70,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 - 10,
		},
		.compat = true,
	},
	{
		.desc = "matching primary 160 MHz & punctured secondary 160 Mhz",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 + 70,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 - 10,
			.punctured = 0xf,
		},
		.compat = true,
	},
	{
		.desc = "matching primary 160 MHz & punctured matching",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 + 70,
			.punctured = 0xc0,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 - 10,
			.punctured = 0xc000,
		},
		.compat = true,
	},
	{
		.desc = "matching primary 160 MHz & punctured not matching",
		.c1 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 + 70,
			.punctured = 0x80,
		},
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_105,
			.center_freq1 = 6475 - 10,
			.punctured = 0xc000,
		},
	},
};

KUNIT_ARRAY_PARAM_DESC(chandef_compat, chandef_compat_cases, desc)

static void test_chandef_compat(struct kunit *test)
{
	const struct chandef_compat_case *params = test->param_value;
	const struct cfg80211_chan_def *ret, *expect;
	struct cfg80211_chan_def c1 = params->c1;

	/* tests with identical ones */
	if (!params->c1.chan)
		c1 = params->c2;

	KUNIT_EXPECT_EQ(test, cfg80211_chandef_valid(&c1), true);
	KUNIT_EXPECT_EQ(test, cfg80211_chandef_valid(&params->c2), true);

	expect = params->compat ? &params->c2 : NULL;

	ret = cfg80211_chandef_compatible(&c1, &params->c2);
	KUNIT_EXPECT_PTR_EQ(test, ret, expect);

	if (!params->c1.chan)
		expect = &c1;

	ret = cfg80211_chandef_compatible(&params->c2, &c1);
	KUNIT_EXPECT_PTR_EQ(test, ret, expect);
}

static struct kunit_case chandef_compat_test_cases[] = {
	KUNIT_CASE_PARAM(test_chandef_compat, chandef_compat_gen_params),
	{}
};

static struct kunit_suite chandef_compat = {
	.name = "cfg80211-chandef-compat",
	.test_cases = chandef_compat_test_cases,
};

kunit_test_suite(chandef_compat);