// 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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