110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* KUnit tests for channel helper functions
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*
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* Copyright (C) 2024 Intel Corporation
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*/
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#include <net/mac80211.h>
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#include "../mvm.h"
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#include <kunit/test.h>
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MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
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static const struct acs_average_db_case {
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const char *desc;
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u8 neg_dbm[22];
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s8 result;
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} acs_average_db_cases[] = {
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{
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.desc = "Smallest possible value, all filled",
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.neg_dbm = {
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128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
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128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
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128, 128
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},
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.result = -128,
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},
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{
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.desc = "Biggest possible value, all filled",
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.neg_dbm = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0,
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},
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.result = 0,
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},
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{
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.desc = "Smallest possible value, partial filled",
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.neg_dbm = {
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128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
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0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff,
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},
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.result = -128,
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},
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{
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.desc = "Biggest possible value, partial filled",
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.neg_dbm = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff,
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},
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.result = 0,
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},
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{
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.desc = "Adding -80dBm to -75dBm until it is still rounded to -79dBm",
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.neg_dbm = {
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75, 80, 80, 80, 80, 80, 80, 80, 80, 80,
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80, 80, 80, 80, 80, 80, 80, 0xff, 0xff, 0xff,
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0xff, 0xff,
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},
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.result = -79,
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},
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{
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.desc = "Adding -80dBm to -75dBm until it is just rounded to -80dBm",
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.neg_dbm = {
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75, 80, 80, 80, 80, 80, 80, 80, 80, 80,
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80, 80, 80, 80, 80, 80, 80, 80, 0xff, 0xff,
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0xff, 0xff,
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},
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.result = -80,
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},
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};
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KUNIT_ARRAY_PARAM_DESC(acs_average_db, acs_average_db_cases, desc)
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static void test_acs_average_db(struct kunit *test)
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{
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const struct acs_average_db_case *params = test->param_value;
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struct iwl_umac_scan_channel_survey_notif notif;
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int i;
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/* Test the values in the given order */
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for (i = 0; i < ARRAY_SIZE(params->neg_dbm); i++)
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notif.noise[i] = params->neg_dbm[i];
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KUNIT_ASSERT_EQ(test,
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iwl_mvm_average_dbm_values(¬if),
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params->result);
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/* Test in reverse order */
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for (i = 0; i < ARRAY_SIZE(params->neg_dbm); i++)
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notif.noise[ARRAY_SIZE(params->neg_dbm) - i - 1] =
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params->neg_dbm[i];
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KUNIT_ASSERT_EQ(test,
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iwl_mvm_average_dbm_values(¬if),
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params->result);
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}
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static struct kunit_case acs_average_db_case[] = {
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KUNIT_CASE_PARAM(test_acs_average_db, acs_average_db_gen_params),
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{}
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};
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static struct kunit_suite acs_average_db = {
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.name = "iwlmvm-acs-average-db",
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.test_cases = acs_average_db_case,
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};
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kunit_test_suite(acs_average_db);
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