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-rw-r--r--net/mac80211/tests/tpe.c284
1 files changed, 284 insertions, 0 deletions
diff --git a/net/mac80211/tests/tpe.c b/net/mac80211/tests/tpe.c
new file mode 100644
index 000000000000..dd63303a2985
--- /dev/null
+++ b/net/mac80211/tests/tpe.c
@@ -0,0 +1,284 @@
+// 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(&params->c), true);
+
+ offset = ieee80211_calc_chandef_subchan_offset(&params->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(&params->ap), true);
+ KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(&params->used), true);
+
+ ieee80211_rearrange_tpe_psd(&tmp, &params->ap, &params->used);
+ KUNIT_EXPECT_MEMEQ(test, &tmp, &params->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);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-21 13:06:01 +0000