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// 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 320 MHz",
.c1 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 + 110,
},
.c2 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 - 50,
},
},
{
/* 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 + 30,
},
.c2 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 - 50,
},
.compat = true,
},
{
.desc = "matching primary 160 MHz & punctured secondary 160 Mhz",
.c1 = {
.width = NL80211_CHAN_WIDTH_160,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 + 30,
},
.c2 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 - 50,
.punctured = 0xf,
},
.compat = true,
},
{
.desc = "matching primary 160 MHz & punctured matching",
.c1 = {
.width = NL80211_CHAN_WIDTH_160,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 + 30,
.punctured = 0xc0,
},
.c2 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 - 50,
.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 + 30,
.punctured = 0x80,
},
.c2 = {
.width = NL80211_CHAN_WIDTH_320,
.chan = &chan_6ghz_105,
.center_freq1 = 6475 - 50,
.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(¶ms->c2), true);
expect = params->compat ? ¶ms->c2 : NULL;
ret = cfg80211_chandef_compatible(&c1, ¶ms->c2);
KUNIT_EXPECT_PTR_EQ(test, ret, expect);
if (!params->c1.chan)
expect = &c1;
ret = cfg80211_chandef_compatible(¶ms->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);
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