1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3  * KUnit tests for link selection functions
11 #include "link.h"
25 			u8 chan_util; /* 0-255 , used only if has_chan_util_elem is true */
26 			u8 chan_load_by_us; /* 0-100, used only if active is true */;
27 		} link;  member
33 		.input.link = {
44 		.input.link = {
55 		.input.link = {
67 		.input.link = {
78 static void setup_link(struct ieee80211_bss_conf *link)  in setup_link()  argument
81 	struct iwl_mld *mld = test->priv;  in setup_link()
83 		(const void *)(test->param_value);  in setup_link()
85 	KUNIT_ALLOC_AND_ASSERT(test, link->bss);  in setup_link()
87 	link->bss->signal = DBM_TO_MBM(test_param->input.link.signal);  in setup_link()
89 	link->chanreq.oper = *test_param->input.link.chandef;  in setup_link()
91 	if (test_param->input.link.has_chan_util_elem) {  in setup_link()
94 			.channel_util = test_param->input.link.chan_util,  in setup_link()
103 		memcpy(ies->data, elem, elem_len);  in setup_link()
104 		ies->len = elem_len;  in setup_link()
105 		rcu_assign_pointer(link->bss->beacon_ies, ies);  in setup_link()
106 		rcu_assign_pointer(link->bss->ies, ies);  in setup_link()
109 	if (test_param->input.link.active) {  in setup_link()
111 			wiphy_dereference(mld->wiphy, link->chanctx_conf);  in setup_link()
118 		phy->channel_load_by_us = test_param->input.link.chan_load_by_us;  in setup_link()
124 	struct iwl_mld *mld = test->priv;  in test_link_grading()
126 		(const void *)(test->param_value);  in test_link_grading()
128 	struct ieee80211_bss_conf *link;  in test_link_grading()  local
131 	u8 link_id = test_param->input.link.link_id;  in test_link_grading()
132 	bool active = test_param->input.link.active;  in test_link_grading()
135 		.chandef = test_param->input.link.chandef,  in test_link_grading()
138 	/* If the link is not active, use a different link as the assoc link */  in test_link_grading()
149 	wiphy_lock(mld->wiphy);  in test_link_grading()
150 	link = wiphy_dereference(mld->wiphy, vif->link_conf[link_id]);  in test_link_grading()
151 	KUNIT_ASSERT_NOT_NULL(test, link);  in test_link_grading()
153 	setup_link(link);  in test_link_grading()
155 	actual_grade = iwl_mld_get_link_grade(mld, link);  in test_link_grading()
156 	wiphy_unlock(mld->wiphy);  in test_link_grading()
159 	KUNIT_EXPECT_EQ(test, actual_grade, test_param->expected_grade);  in test_link_grading()
168 	.name = "iwlmld-link-selection-tests",
184 		.desc = "Unequal bandwidth, primary link inactive, EMLSR not allowed",
219 		.desc = "Different bandwidths (2x ratio), primary link load permits EMLSR",
228 		.desc = "Different bandwidths (4x ratio), primary link load permits EMLSR",
237 		.desc = "Different bandwidths (16x ratio), primary link load insufficient",
287 	const struct link_pair_case *params = test->param_value;  in test_iwl_mld_link_pair_allows_emlsr()
288 	struct iwl_mld *mld = test->priv;  in test_iwl_mld_link_pair_allows_emlsr()
290 	/* link A is the primary and link B is the secondary */  in test_iwl_mld_link_pair_allows_emlsr()
292 		.chandef = params->chandef_a,  in test_iwl_mld_link_pair_allows_emlsr()
296 		.chandef = params->chandef_b,  in test_iwl_mld_link_pair_allows_emlsr()
300 		.chandef = params->primary_link_active ? a.chandef : b.chandef,  in test_iwl_mld_link_pair_allows_emlsr()
301 		.id = params->primary_link_active ? a.link_id : b.link_id,  in test_iwl_mld_link_pair_allows_emlsr()
308 	if (params->low_latency_vif)  in test_iwl_mld_link_pair_allows_emlsr()
309 		iwl_mld_vif_from_mac80211(vif)->low_latency_causes = 1;  in test_iwl_mld_link_pair_allows_emlsr()
311 	wiphy_lock(mld->wiphy);  in test_iwl_mld_link_pair_allows_emlsr()
314 	if (params->primary_link_active) {  in test_iwl_mld_link_pair_allows_emlsr()
318 		phy->avg_channel_load_not_by_us = params->chan_load_not_by_us;  in test_iwl_mld_link_pair_allows_emlsr()
323 	wiphy_unlock(mld->wiphy);  in test_iwl_mld_link_pair_allows_emlsr()
325 	KUNIT_EXPECT_EQ(test, result, params->expected_result);  in test_iwl_mld_link_pair_allows_emlsr()