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
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* KUnit tests for utilities
*
* Copyright (C) 2024-2025 Intel Corporation
*/
#include "../iwl-utils.h"
#include <kunit/test.h>
MODULE_IMPORT_NS("IWLWIFI");
static const struct average_neg_db_case {
const char *desc;
u8 neg_dbm[22];
s8 result;
} average_neg_db_cases[] = {
{
.desc = "Smallest possible value, all filled",
.neg_dbm = {
128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128
},
.result = -128,
},
{
.desc = "Biggest possible value, all filled",
.neg_dbm = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0,
},
.result = 0,
},
{
.desc = "Smallest possible value, partial filled",
.neg_dbm = {
128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff,
},
.result = -128,
},
{
.desc = "Biggest possible value, partial filled",
.neg_dbm = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff,
},
.result = 0,
},
{
.desc = "Adding -80dBm to -75dBm until it is still rounded to -79dBm",
.neg_dbm = {
75, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 0xff, 0xff, 0xff,
0xff, 0xff,
},
.result = -79,
},
{
.desc = "Adding -80dBm to -75dBm until it is just rounded to -80dBm",
.neg_dbm = {
75, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 0xff, 0xff,
0xff, 0xff,
},
.result = -80,
},
};
KUNIT_ARRAY_PARAM_DESC(average_neg_db, average_neg_db_cases, desc)
static void test_average_neg_db(struct kunit *test)
{
const struct average_neg_db_case *params = test->param_value;
u8 reversed[ARRAY_SIZE(params->neg_dbm)];
int i;
/* Test the values in the given order */
KUNIT_ASSERT_EQ(test,
iwl_average_neg_dbm(params->neg_dbm,
ARRAY_SIZE(params->neg_dbm)),
params->result);
/* Test in reverse order */
for (i = 0; i < ARRAY_SIZE(params->neg_dbm); i++)
reversed[ARRAY_SIZE(params->neg_dbm) - i - 1] =
params->neg_dbm[i];
KUNIT_ASSERT_EQ(test,
iwl_average_neg_dbm(reversed,
ARRAY_SIZE(params->neg_dbm)),
params->result);
}
static struct kunit_case average_db_case[] = {
KUNIT_CASE_PARAM(test_average_neg_db, average_neg_db_gen_params),
{}
};
static struct kunit_suite average_db = {
.name = "iwl-average-db",
.test_cases = average_db_case,
};
kunit_test_suite(average_db);
|
