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-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tests/Makefile2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c433
2 files changed, 1 insertions, 434 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tests/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/tests/Makefile
index bb33f4a06f1c..2267be4cfb44 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tests/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tests/Makefile
@@ -1,3 +1,3 @@
-iwlmvm-tests-y += module.o links.o hcmd.o
+iwlmvm-tests-y += module.o hcmd.o
obj-$(CONFIG_IWLWIFI_KUNIT_TESTS) += iwlmvm-tests.o
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c b/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
deleted file mode 100644
index d692f1813d44..000000000000
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
+++ /dev/null
@@ -1,433 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * KUnit tests for channel helper functions
- *
- * Copyright (C) 2024 Intel Corporation
- */
-#include <net/mac80211.h>
-#include "../mvm.h"
-#include <kunit/test.h>
-
-MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
-
-static struct wiphy wiphy = {
- .mtx = __MUTEX_INITIALIZER(wiphy.mtx),
-};
-
-static struct ieee80211_hw hw = {
- .wiphy = &wiphy,
-};
-
-static struct ieee80211_channel chan_5ghz = {
- .band = NL80211_BAND_5GHZ,
-};
-
-static struct ieee80211_channel chan_6ghz = {
- .band = NL80211_BAND_6GHZ,
-};
-
-static struct ieee80211_channel chan_2ghz = {
- .band = NL80211_BAND_2GHZ,
-};
-
-static struct cfg80211_chan_def chandef_a = {};
-
-static struct cfg80211_chan_def chandef_b = {};
-
-static struct iwl_mvm_phy_ctxt ctx = {};
-
-static struct iwl_mvm_vif_link_info mvm_link = {
- .phy_ctxt = &ctx,
- .active = true
-};
-
-static struct cfg80211_bss bss = {};
-
-static struct ieee80211_bss_conf link_conf = {.bss = &bss};
-
-static const struct iwl_fw_cmd_version entry = {
- .group = LEGACY_GROUP,
- .cmd = BT_PROFILE_NOTIFICATION,
- .notif_ver = 4
-};
-
-static struct iwl_fw fw = {
- .ucode_capa = {
- .n_cmd_versions = 1,
- .cmd_versions = &entry,
- },
-};
-
-static struct iwl_mvm mvm = {
- .hw = &hw,
- .fw = &fw,
-};
-
-static const struct link_grading_case {
- const char *desc;
- const struct cfg80211_chan_def chandef;
- s32 signal;
- s16 channel_util;
- int chan_load_by_us;
- unsigned int grade;
-} link_grading_cases[] = {
- {
- .desc = "UHB, RSSI below range, no factors",
- .chandef = {
- .chan = &chan_6ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -100,
- .grade = 177,
- },
- {
- .desc = "LB, RSSI in range, no factors",
- .chandef = {
- .chan = &chan_2ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -84,
- .grade = 344,
- },
- {
- .desc = "HB, RSSI above range, no factors",
- .chandef = {
- .chan = &chan_5ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -50,
- .grade = 3442,
- },
- {
- .desc = "HB, BSS Load IE (20 percent), inactive link, no puncturing factor",
- .chandef = {
- .chan = &chan_5ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -66,
- .channel_util = 51,
- .grade = 1836,
- },
- {
- .desc = "LB, BSS Load IE (20 percent), active link, chan_load_by_us=10 percent. No puncturing factor",
- .chandef = {
- .chan = &chan_2ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -61,
- .channel_util = 51,
- .chan_load_by_us = 10,
- .grade = 2061,
- },
- {
- .desc = "UHB, BSS Load IE (40 percent), active link, chan_load_by_us=50 (invalid) percent. No puncturing factor",
- .chandef = {
- .chan = &chan_6ghz,
- .width = NL80211_CHAN_WIDTH_20,
- },
- .signal = -66,
- .channel_util = 102,
- .chan_load_by_us = 50,
- .grade = 1552,
- },
- { .desc = "HB, 80 MHz, no channel load factor, punctured percentage 0",
- .chandef = {
- .chan = &chan_5ghz,
- .width = NL80211_CHAN_WIDTH_80,
- .punctured = 0x0000
- },
- .signal = -72,
- .grade = 1750,
- },
- { .desc = "HB, 160 MHz, no channel load factor, punctured percentage 25",
- .chandef = {
- .chan = &chan_5ghz,
- .width = NL80211_CHAN_WIDTH_160,
- .punctured = 0x3
- },
- .signal = -72,
- .grade = 1312,
- },
- { .desc = "UHB, 320 MHz, no channel load factor, punctured percentage 12.5 (2/16)",
- .chandef = {
- .chan = &chan_6ghz,
- .width = NL80211_CHAN_WIDTH_320,
- .punctured = 0x3
- },
- .signal = -72,
- .grade = 1806,
- },
- { .desc = "HB, 160 MHz, channel load 20, channel load by us 10, punctured percentage 25",
- .chandef = {
- .chan = &chan_5ghz,
- .width = NL80211_CHAN_WIDTH_160,
- .punctured = 0x3
- },
- .channel_util = 51,
- .chan_load_by_us = 10,
- .signal = -72,
- .grade = 1179,
- },
-};
-
-KUNIT_ARRAY_PARAM_DESC(link_grading, link_grading_cases, desc)
-
-static void setup_link_conf(struct kunit *test)
-{
- const struct link_grading_case *params = test->param_value;
- size_t vif_size = sizeof(struct ieee80211_vif) +
- sizeof(struct iwl_mvm_vif);
- struct ieee80211_vif *vif = kunit_kzalloc(test, vif_size, GFP_KERNEL);
- struct ieee80211_bss_load_elem *bss_load;
- struct element *element;
- size_t ies_size = sizeof(struct cfg80211_bss_ies) + sizeof(*bss_load) + sizeof(element);
- struct cfg80211_bss_ies *ies;
- struct iwl_mvm_vif *mvmvif;
-
- KUNIT_ASSERT_NOT_NULL(test, vif);
-
- mvmvif = iwl_mvm_vif_from_mac80211(vif);
- if (params->chan_load_by_us > 0) {
- ctx.channel_load_by_us = params->chan_load_by_us;
- mvmvif->link[0] = &mvm_link;
- }
-
- link_conf.vif = vif;
- link_conf.chanreq.oper = params->chandef;
- bss.signal = DBM_TO_MBM(params->signal);
-
- ies = kunit_kzalloc(test, ies_size, GFP_KERNEL);
- KUNIT_ASSERT_NOT_NULL(test, ies);
- ies->len = sizeof(*bss_load) + sizeof(struct element);
-
- element = (void *)ies->data;
- element->datalen = sizeof(*bss_load);
- element->id = 11;
-
- bss_load = (void *)element->data;
- bss_load->channel_util = params->channel_util;
-
- rcu_assign_pointer(bss.ies, ies);
- rcu_assign_pointer(bss.beacon_ies, ies);
-}
-
-static void test_link_grading(struct kunit *test)
-{
- const struct link_grading_case *params = test->param_value;
- unsigned int ret;
-
- setup_link_conf(test);
-
- rcu_read_lock();
- ret = iwl_mvm_get_link_grade(&link_conf);
- rcu_read_unlock();
-
- KUNIT_EXPECT_EQ(test, ret, params->grade);
-
- kunit_kfree(test, link_conf.vif);
- RCU_INIT_POINTER(bss.ies, NULL);
-}
-
-static struct kunit_case link_grading_test_cases[] = {
- KUNIT_CASE_PARAM(test_link_grading, link_grading_gen_params),
- {}
-};
-
-static struct kunit_suite link_grading = {
- .name = "iwlmvm-link-grading",
- .test_cases = link_grading_test_cases,
-};
-
-kunit_test_suite(link_grading);
-
-static const struct valid_link_pair_case {
- const char *desc;
- bool bt;
- struct ieee80211_channel *chan_a;
- struct ieee80211_channel *chan_b;
- enum nl80211_chan_width cw_a;
- enum nl80211_chan_width cw_b;
- s32 sig_a;
- s32 sig_b;
- bool csa_a;
- bool valid;
-} valid_link_pair_cases[] = {
- {
- .desc = "HB + UHB, valid.",
- .chan_a = &chan_6ghz,
- .chan_b = &chan_5ghz,
- .valid = true,
- },
- {
- .desc = "LB + HB, no BT.",
- .chan_a = &chan_2ghz,
- .chan_b = &chan_5ghz,
- .valid = true,
- },
- {
- .desc = "LB + HB, with BT.",
- .bt = true,
- .chan_a = &chan_2ghz,
- .chan_b = &chan_5ghz,
- .valid = false,
- },
- {
- .desc = "Same band",
- .chan_a = &chan_2ghz,
- .chan_b = &chan_2ghz,
- .valid = false,
- },
- {
- .desc = "RSSI: LB, 20 MHz, low",
- .chan_a = &chan_2ghz,
- .cw_a = NL80211_CHAN_WIDTH_20,
- .sig_a = -68,
- .chan_b = &chan_5ghz,
- .valid = false,
- },
- {
- .desc = "RSSI: UHB, 20 MHz, high",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_20,
- .sig_a = -66,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_20,
- .valid = true,
- },
- {
- .desc = "RSSI: UHB, 40 MHz, low",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_40,
- .sig_a = -65,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_40,
- .valid = false,
- },
- {
- .desc = "RSSI: UHB, 40 MHz, high",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_40,
- .sig_a = -63,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_40,
- .valid = true,
- },
- {
- .desc = "RSSI: UHB, 80 MHz, low",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_80,
- .sig_a = -62,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_80,
- .valid = false,
- },
- {
- .desc = "RSSI: UHB, 80 MHz, high",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_80,
- .sig_a = -60,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_80,
- .valid = true,
- },
- {
- .desc = "RSSI: UHB, 160 MHz, low",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_160,
- .sig_a = -59,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_160,
- .valid = false,
- },
- {
- .desc = "RSSI: HB, 160 MHz, high",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_160,
- .sig_a = -5,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_160,
- .valid = true,
- },
- {
- .desc = "CSA active",
- .chan_a = &chan_6ghz,
- .cw_a = NL80211_CHAN_WIDTH_160,
- .sig_a = -5,
- .chan_b = &chan_5ghz,
- .cw_b = NL80211_CHAN_WIDTH_160,
- .valid = false,
- /* same as previous entry with valid=true except for CSA */
- .csa_a = true,
- },
-};
-
-KUNIT_ARRAY_PARAM_DESC(valid_link_pair, valid_link_pair_cases, desc)
-
-static void test_valid_link_pair(struct kunit *test)
-{
- const struct valid_link_pair_case *params = test->param_value;
- size_t vif_size = sizeof(struct ieee80211_vif) +
- sizeof(struct iwl_mvm_vif);
- struct ieee80211_vif *vif = kunit_kzalloc(test, vif_size, GFP_KERNEL);
- struct iwl_trans *trans = kunit_kzalloc(test, sizeof(struct iwl_trans),
- GFP_KERNEL);
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm_link_sel_data link_a = {
- .chandef = &chandef_a,
- .link_id = 1,
- .signal = params->sig_a,
- };
- struct iwl_mvm_link_sel_data link_b = {
- .chandef = &chandef_b,
- .link_id = 5,
- .signal = params->sig_b,
- };
- struct ieee80211_bss_conf *conf;
- bool result;
-
- KUNIT_ASSERT_NOT_NULL(test, vif);
- KUNIT_ASSERT_NOT_NULL(test, trans);
-
- chandef_a.chan = params->chan_a;
- chandef_b.chan = params->chan_b;
-
- chandef_a.width = params->cw_a ?: NL80211_CHAN_WIDTH_20;
- chandef_b.width = params->cw_b ?: NL80211_CHAN_WIDTH_20;
-
- mvm.trans = trans;
-
- mvm.last_bt_notif.wifi_loss_low_rssi = params->bt;
- mvmvif->mvm = &mvm;
-
- conf = kunit_kzalloc(test, sizeof(*vif->link_conf[0]), GFP_KERNEL);
- KUNIT_ASSERT_NOT_NULL(test, conf);
- conf->chanreq.oper = chandef_a;
- conf->csa_active = params->csa_a;
- vif->link_conf[link_a.link_id] = (void __rcu *)conf;
-
- conf = kunit_kzalloc(test, sizeof(*vif->link_conf[0]), GFP_KERNEL);
- KUNIT_ASSERT_NOT_NULL(test, conf);
- conf->chanreq.oper = chandef_b;
- vif->link_conf[link_b.link_id] = (void __rcu *)conf;
-
- wiphy_lock(&wiphy);
- result = iwl_mvm_mld_valid_link_pair(vif, &link_a, &link_b);
- wiphy_unlock(&wiphy);
-
- KUNIT_EXPECT_EQ(test, result, params->valid);
-
- kunit_kfree(test, vif);
- kunit_kfree(test, trans);
-}
-
-static struct kunit_case valid_link_pair_test_cases[] = {
- KUNIT_CASE_PARAM(test_valid_link_pair, valid_link_pair_gen_params),
- {},
-};
-
-static struct kunit_suite valid_link_pair = {
- .name = "iwlmvm-valid-link-pair",
- .test_cases = valid_link_pair_test_cases,
-};
-
-kunit_test_suite(valid_link_pair);
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-04 06:08:14 +0000