91b193d546
On 6 GHz (and also 5 GHz to some degree), only a specific set of center frequencies should be used depending on the channel bandwidth. Verify this is the case on 6 GHz. For 5 GHz, we are more accepting as there are APs that got it wrong historically. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240602102200.876b10a2beda.I0d3d0daea4014e99654437ff6691378dbe452652@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
229 lines
4.9 KiB
C
229 lines
4.9 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) 2023-2024 Intel Corporation
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*/
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#include <net/cfg80211.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 struct ieee80211_channel chan_6ghz_1 = {
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.band = NL80211_BAND_6GHZ,
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.center_freq = 5955,
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};
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static struct ieee80211_channel chan_6ghz_5 = {
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.band = NL80211_BAND_6GHZ,
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.center_freq = 5975,
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};
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static struct ieee80211_channel chan_6ghz_105 = {
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.band = NL80211_BAND_6GHZ,
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.center_freq = 6475,
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};
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static const struct chandef_compat_case {
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const char *desc;
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/* leave c1 empty for tests for identical */
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struct cfg80211_chan_def c1, c2;
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/* we test both ways around, so c2 should always be the compat one */
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bool compat;
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} chandef_compat_cases[] = {
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{
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.desc = "identical non-HT",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_20_NOHT,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955,
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},
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.compat = true,
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},
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{
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.desc = "identical 20 MHz",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_20,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955,
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},
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.compat = true,
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},
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{
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.desc = "identical 40 MHz",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_40,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955 + 10,
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},
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.compat = true,
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},
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{
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.desc = "identical 80 MHz",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_80,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955 + 10 + 20,
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},
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.compat = true,
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},
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{
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.desc = "identical 160 MHz",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_160,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955 + 10 + 20 + 40,
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},
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.compat = true,
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},
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{
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.desc = "identical 320 MHz",
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955 + 10 + 20 + 40 + 80,
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},
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.compat = true,
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},
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{
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.desc = "20 MHz in 320 MHz\n",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_20,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955 + 10 + 20 + 40 + 80,
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},
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.compat = true,
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},
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{
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.desc = "different 20 MHz",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_20,
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.chan = &chan_6ghz_1,
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.center_freq1 = 5955,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_20,
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.chan = &chan_6ghz_5,
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.center_freq1 = 5975,
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},
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},
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{
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.desc = "different primary 320 MHz",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 + 110,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 - 50,
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},
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},
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{
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/* similar to previous test but one has lower BW */
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.desc = "matching primary 160 MHz",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_160,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 + 30,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 - 50,
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},
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.compat = true,
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},
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{
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.desc = "matching primary 160 MHz & punctured secondary 160 Mhz",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_160,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 + 30,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 - 50,
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.punctured = 0xf,
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},
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.compat = true,
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},
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{
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.desc = "matching primary 160 MHz & punctured matching",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_160,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 + 30,
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.punctured = 0xc0,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 - 50,
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.punctured = 0xc000,
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},
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.compat = true,
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},
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{
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.desc = "matching primary 160 MHz & punctured not matching",
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.c1 = {
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.width = NL80211_CHAN_WIDTH_160,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 + 30,
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.punctured = 0x80,
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},
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.c2 = {
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.width = NL80211_CHAN_WIDTH_320,
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.chan = &chan_6ghz_105,
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.center_freq1 = 6475 - 50,
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.punctured = 0xc000,
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},
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},
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};
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KUNIT_ARRAY_PARAM_DESC(chandef_compat, chandef_compat_cases, desc)
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static void test_chandef_compat(struct kunit *test)
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{
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const struct chandef_compat_case *params = test->param_value;
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const struct cfg80211_chan_def *ret, *expect;
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struct cfg80211_chan_def c1 = params->c1;
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/* tests with identical ones */
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if (!params->c1.chan)
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c1 = params->c2;
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KUNIT_EXPECT_EQ(test, cfg80211_chandef_valid(&c1), true);
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KUNIT_EXPECT_EQ(test, cfg80211_chandef_valid(¶ms->c2), true);
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expect = params->compat ? ¶ms->c2 : NULL;
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ret = cfg80211_chandef_compatible(&c1, ¶ms->c2);
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KUNIT_EXPECT_PTR_EQ(test, ret, expect);
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if (!params->c1.chan)
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expect = &c1;
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ret = cfg80211_chandef_compatible(¶ms->c2, &c1);
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KUNIT_EXPECT_PTR_EQ(test, ret, expect);
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}
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static struct kunit_case chandef_compat_test_cases[] = {
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KUNIT_CASE_PARAM(test_chandef_compat, chandef_compat_gen_params),
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{}
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};
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static struct kunit_suite chandef_compat = {
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.name = "cfg80211-chandef-compat",
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.test_cases = chandef_compat_test_cases,
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};
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kunit_test_suite(chandef_compat);
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