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wifi: iwlwifi: mld: add kunit test for emlsr with bt on

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add kunit test to validate entering and exiting
emlsr scenarios when the bt is on with certain
penalty on wifi.

Signed-off-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250430155443.6621494fa412.If89b4b2dab308d825ca02284dd8e0030675d7af5@changeid
This commit is contained in:
Somashekhar Puttagangaiah 2025-04-30 15:57:15 +03:00 • committed by Miri Korenblit
parent ad883b79b2
commit f7cc80b871
4 changed files with 148 additions and 2 deletions
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4
drivers/net/wireless/intel/iwlwifi/mld/mlo.c
View file

@ -640,7 +640,8 @@ s8 iwl_mld_get_emlsr_rssi_thresh(struct iwl_mld *mld,
#define IWL_MLD_BT_COEX_ENABLE_EMLSR_RSSI_THRESH -63
#define IWL_MLD_BT_COEX_WIFI_LOSS_THRESH 7
static bool
VISIBLE_IF_IWLWIFI_KUNIT
bool
iwl_mld_bt_allows_emlsr(struct iwl_mld *mld, struct ieee80211_bss_conf *link,
bool check_entry)
{
@ -669,6 +670,7 @@ iwl_mld_bt_allows_emlsr(struct iwl_mld *mld, struct ieee80211_bss_conf *link,
link->link_id, bt_penalty);
return bt_penalty < IWL_MLD_BT_COEX_WIFI_LOSS_THRESH;
}
EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mld_bt_allows_emlsr);
static u32
iwl_mld_emlsr_disallowed_with_link(struct iwl_mld *mld,

4
drivers/net/wireless/intel/iwlwifi/mld/mlo.h
View file

@ -161,6 +161,10 @@ struct iwl_mld_link_sel_data {
u32 iwl_mld_emlsr_pair_state(struct ieee80211_vif *vif,
struct iwl_mld_link_sel_data *a,
struct iwl_mld_link_sel_data *b);
bool iwl_mld_bt_allows_emlsr(struct iwl_mld *mld,
struct ieee80211_bss_conf *link,
bool entry_criteria);
#endif
#endif /* __iwl_mld_mlo_h__ */

2
drivers/net/wireless/intel/iwlwifi/mld/tests/Makefile
View file

@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
iwlmld-tests-y += module.o hcmd.o utils.o link.o rx.o agg.o link-selection.o
iwlmld-tests-y += module.o hcmd.o utils.o link.o rx.o agg.o link-selection.o emlsr_with_bt.o
ccflags-y += -I$(src)/../
obj-$(CONFIG_IWLWIFI_KUNIT_TESTS) += iwlmld-tests.o

140
drivers/net/wireless/intel/iwlwifi/mld/tests/emlsr_with_bt.c Normal file
View file

@ -0,0 +1,140 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* KUnit tests for link selection functions
*
* Copyright (C) 2025 Intel Corporation
*/
#include <kunit/static_stub.h>
#include "utils.h"
#include "mld.h"
#include "mlo.h"
static const struct emlsr_with_bt_test_case {
const char *desc;
struct {
struct iwl_bt_coex_profile_notif notif;
s32 signal;
bool check_entry;
} input;
bool emlsr_allowed;
} emlsr_with_bt_cases[] = {
{
.desc = "BT penalty(exit) with low rssi 4.5: emlsr allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {4, 5},
.notif.wifi_loss_mid_high_rssi[1] = {7, 9},
.signal = -69,
.check_entry = false,
},
.emlsr_allowed = true,
},
{
.desc = "BT penalty(exit) from high rssi 5: emlsr allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {7, 9},
.notif.wifi_loss_mid_high_rssi[1] = {5, 5},
.signal = -68,
.check_entry = false,
},
.emlsr_allowed = true,
},
{
.desc = "BT penalty(exit) with low rssi 8: emlsr not allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {7, 9},
.notif.wifi_loss_mid_high_rssi[1] = {4, 5},
.signal = -69,
.check_entry = false,
},
.emlsr_allowed = false,
},
{
.desc = "BT penalty(exit) from high rssi 9: emlsr not allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {4, 5},
.notif.wifi_loss_mid_high_rssi[1] = {9, 9},
.signal = -68,
.check_entry = false,
},
.emlsr_allowed = false,
},
{
.desc = "BT penalty(entry) with low rssi 4.5: emlsr allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {4, 5},
.notif.wifi_loss_mid_high_rssi[1] = {7, 9},
.signal = -63,
.check_entry = true,
},
.emlsr_allowed = true,
},
{
.desc = "BT penalty(entry) from high rssi 5: emlsr allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {7, 9},
.notif.wifi_loss_mid_high_rssi[1] = {5, 5},
.signal = -62,
.check_entry = false,
},
.emlsr_allowed = true,
},
{
.desc = "BT penalty(entry) with low rssi 8: emlsr not allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {7, 9},
.notif.wifi_loss_mid_high_rssi[1] = {4, 5},
.signal = -63,
.check_entry = false,
},
.emlsr_allowed = true,
},
{
.desc = "BT penalty(entry) from high rssi 9: emlsr not allowed",
.input = {
.notif.wifi_loss_low_rssi[1] = {4, 5},
.notif.wifi_loss_mid_high_rssi[1] = {9, 9},
.signal = -62,
.check_entry = true,
},
.emlsr_allowed = false,
},
};
KUNIT_ARRAY_PARAM_DESC(emlsr_with_bt, emlsr_with_bt_cases, desc);
static void test_emlsr_with_bt(struct kunit *test)
{
struct iwl_mld *mld = test->priv;
const struct emlsr_with_bt_test_case *test_param =
(const void *)(test->param_value);
struct ieee80211_vif *vif =
iwlmld_kunit_add_vif(true, NL80211_IFTYPE_STATION);
struct ieee80211_bss_conf *link = iwlmld_kunit_add_link(vif, 1);
bool actual_value = false;
KUNIT_ALLOC_AND_ASSERT(test, link->bss);
/* Extract test case parameters */
link->bss->signal = DBM_TO_MBM(test_param->input.signal);
memcpy(&mld->last_bt_notif, &test_param->input.notif,
sizeof(struct iwl_bt_coex_profile_notif));
actual_value = iwl_mld_bt_allows_emlsr(mld, link,
test_param->input.check_entry);
/* Assert that the returned value matches the expected emlsr_allowed */
KUNIT_EXPECT_EQ(test, actual_value, test_param->emlsr_allowed);
}
static struct kunit_case emlsr_with_bt_test_cases[] = {
KUNIT_CASE_PARAM(test_emlsr_with_bt, emlsr_with_bt_gen_params),
{},
};
static struct kunit_suite emlsr_with_bt = {
.name = "iwlmld-emlsr-with-bt-tests",
.test_cases = emlsr_with_bt_test_cases,
.init = iwlmld_kunit_test_init,
};
kunit_test_suite(emlsr_with_bt);