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// SPDX-License-Identifier: GPL-2.0-only
/*
* KUnit tests for TPE element handling
*
* Copyright (C) 2024 Intel Corporation
*/
#include <kunit/test.h>
#include "../ieee80211_i.h"
MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
static struct ieee80211_channel chan6g_1 = {
.band = NL80211_BAND_6GHZ,
.center_freq = 5955,
};
static struct ieee80211_channel chan6g_33 = {
.band = NL80211_BAND_6GHZ,
.center_freq = 6115,
};
static struct ieee80211_channel chan6g_61 = {
.band = NL80211_BAND_6GHZ,
.center_freq = 6255,
};
static const struct subchan_test_case {
const char *desc;
struct cfg80211_chan_def c;
u8 n;
int expect;
} subchan_offset_cases[] = {
{
.desc = "identical 20 MHz",
.c.width = NL80211_CHAN_WIDTH_20,
.c.chan = &chan6g_1,
.c.center_freq1 = 5955,
.n = 1,
.expect = 0,
},
{
.desc = "identical 40 MHz",
.c.width = NL80211_CHAN_WIDTH_40,
.c.chan = &chan6g_1,
.c.center_freq1 = 5965,
.n = 2,
.expect = 0,
},
{
.desc = "identical 80+80 MHz",
/* not really is valid? doesn't matter for the test */
.c.width = NL80211_CHAN_WIDTH_80P80,
.c.chan = &chan6g_1,
.c.center_freq1 = 5985,
.c.center_freq2 = 6225,
.n = 16,
.expect = 0,
},
{
.desc = "identical 320 MHz",
.c.width = NL80211_CHAN_WIDTH_320,
.c.chan = &chan6g_1,
.c.center_freq1 = 6105,
.n = 16,
.expect = 0,
},
{
.desc = "lower 160 MHz of 320 MHz",
.c.width = NL80211_CHAN_WIDTH_320,
.c.chan = &chan6g_1,
.c.center_freq1 = 6105,
.n = 8,
.expect = 0,
},
{
.desc = "upper 160 MHz of 320 MHz",
.c.width = NL80211_CHAN_WIDTH_320,
.c.chan = &chan6g_61,
.c.center_freq1 = 6105,
.n = 8,
.expect = 8,
},
{
.desc = "upper 160 MHz of 320 MHz, go to 40",
.c.width = NL80211_CHAN_WIDTH_320,
.c.chan = &chan6g_61,
.c.center_freq1 = 6105,
.n = 2,
.expect = 8 + 4 + 2,
},
{
.desc = "secondary 80 above primary in 80+80 MHz",
/* not really is valid? doesn't matter for the test */
.c.width = NL80211_CHAN_WIDTH_80P80,
.c.chan = &chan6g_1,
.c.center_freq1 = 5985,
.c.center_freq2 = 6225,
.n = 4,
.expect = 0,
},
{
.desc = "secondary 80 below primary in 80+80 MHz",
/* not really is valid? doesn't matter for the test */
.c.width = NL80211_CHAN_WIDTH_80P80,
.c.chan = &chan6g_61,
.c.center_freq1 = 6225,
.c.center_freq2 = 5985,
.n = 4,
.expect = 4,
},
{
.desc = "secondary 80 below primary in 80+80 MHz, go to 20",
/* not really is valid? doesn't matter for the test */
.c.width = NL80211_CHAN_WIDTH_80P80,
.c.chan = &chan6g_61,
.c.center_freq1 = 6225,
.c.center_freq2 = 5985,
.n = 1,
.expect = 7,
},
};
KUNIT_ARRAY_PARAM_DESC(subchan_offset, subchan_offset_cases, desc);
static void subchan_offset(struct kunit *test)
{
const struct subchan_test_case *params = test->param_value;
int offset;
KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->c), true);
offset = ieee80211_calc_chandef_subchan_offset(¶ms->c, params->n);
KUNIT_EXPECT_EQ(test, params->expect, offset);
}
static const struct psd_reorder_test_case {
const char *desc;
struct cfg80211_chan_def ap, used;
struct ieee80211_parsed_tpe_psd psd, out;
} psd_reorder_cases[] = {
{
.desc = "no changes, 320 MHz",
.ap.width = NL80211_CHAN_WIDTH_320,
.ap.chan = &chan6g_1,
.ap.center_freq1 = 6105,
.used.width = NL80211_CHAN_WIDTH_320,
.used.chan = &chan6g_1,
.used.center_freq1 = 6105,
.psd.valid = true,
.psd.count = 16,
.psd.n = 8,
.psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
.out.valid = true,
.out.count = 16,
.out.n = 8,
.out.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
},
{
.desc = "no changes, 320 MHz, 160 MHz used, n=0",
.ap.width = NL80211_CHAN_WIDTH_320,
.ap.chan = &chan6g_1,
.ap.center_freq1 = 6105,
.used.width = NL80211_CHAN_WIDTH_160,
.used.chan = &chan6g_1,
.used.center_freq1 = 6025,
.psd.valid = true,
.psd.count = 16,
.psd.n = 0,
.psd.power = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, },
.out.valid = true,
.out.count = 8,
.out.n = 0,
.out.power = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, },
},
{
.desc = "320 MHz, HE is 80, used 160, all lower",
.ap.width = NL80211_CHAN_WIDTH_320,
.ap.chan = &chan6g_1,
.ap.center_freq1 = 6105,
.used.width = NL80211_CHAN_WIDTH_160,
.used.chan = &chan6g_1,
.used.center_freq1 = 6025,
.psd.valid = true,
.psd.count = 16,
.psd.n = 4,
.psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
.out.valid = true,
.out.count = 8,
.out.n = 4,
.out.power = { 0, 1, 2, 3, 4, 5, 6, 7, 127, 127, 127, 127, 127, 127, 127, 127},
},
{
.desc = "320 MHz, HE is 80, used 160, all upper",
/*
* EHT: | | | | | | | | | | | | | | | | |
* HE: | | | | |
* used: | | | | | | | | |
*/
.ap.width = NL80211_CHAN_WIDTH_320,
.ap.chan = &chan6g_61,
.ap.center_freq1 = 6105,
.used.width = NL80211_CHAN_WIDTH_160,
.used.chan = &chan6g_61,
.used.center_freq1 = 6185,
.psd.valid = true,
.psd.count = 16,
.psd.n = 4,
.psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
.out.valid = true,
.out.count = 8,
.out.n = 4,
.out.power = { 12, 13, 14, 15, 0, 1, 2, 3, 127, 127, 127, 127, 127, 127, 127, 127},
},
{
.desc = "320 MHz, HE is 80, used 160, split",
/*
* EHT: | | | | | | | | | | | | | | | | |
* HE: | | | | |
* used: | | | | | | | | |
*/
.ap.width = NL80211_CHAN_WIDTH_320,
.ap.chan = &chan6g_33,
.ap.center_freq1 = 6105,
.used.width = NL80211_CHAN_WIDTH_160,
.used.chan = &chan6g_33,
.used.center_freq1 = 6185,
.psd.valid = true,
.psd.count = 16,
.psd.n = 4,
.psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
.out.valid = true,
.out.count = 8,
.out.n = 4,
.out.power = { 0, 1, 2, 3, 12, 13, 14, 15, 127, 127, 127, 127, 127, 127, 127, 127},
},
};
KUNIT_ARRAY_PARAM_DESC(psd_reorder, psd_reorder_cases, desc);
static void psd_reorder(struct kunit *test)
{
const struct psd_reorder_test_case *params = test->param_value;
struct ieee80211_parsed_tpe_psd tmp = params->psd;
KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->ap), true);
KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->used), true);
ieee80211_rearrange_tpe_psd(&tmp, ¶ms->ap, ¶ms->used);
KUNIT_EXPECT_MEMEQ(test, &tmp, ¶ms->out, sizeof(tmp));
}
static struct kunit_case tpe_test_cases[] = {
KUNIT_CASE_PARAM(subchan_offset, subchan_offset_gen_params),
KUNIT_CASE_PARAM(psd_reorder, psd_reorder_gen_params),
{}
};
static struct kunit_suite tpe = {
.name = "mac80211-tpe",
.test_cases = tpe_test_cases,
};
kunit_test_suite(tpe);
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