Commit f7cc80b8 authored by Somashekhar Puttagangaiah's avatar Somashekhar Puttagangaiah Committed by Miri Korenblit
Browse files

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



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

Signed-off-by: default avatarSomashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250430155443.6621494fa412.If89b4b2dab308d825ca02284dd8e0030675d7af5@changeid
parent ad883b79

drivers/net/wireless/intel/iwlwifi/mld/mlo.c

+3 −1
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/intel/iwlwifi/mld/mlo.h

+4 −0
Original line number Diff line number Diff line
@@ -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__ */

drivers/net/wireless/intel/iwlwifi/mld/tests/Makefile

+1 −1
Original line number Diff line number Diff line 
# 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

drivers/net/wireless/intel/iwlwifi/mld/tests/emlsr_with_bt.c

0 → 100644
+140 −0
Original line number Diff line number Diff line 
// 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);