mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-06 21:14:18 +00:00
40840afa53
The function really is just a simple math helper. Move it into iwl-utils.c so that it can also be used by iwlmld. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20250609211928.8cc965af6990.I09bb2137863e888efe756c92d8eb0271ec95456c@changeid
110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
// 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);
|