#include <kunit/static_stub.h>
#include "utils.h"
#include "mld.h"
#include "link.h"
#include "iface.h"
#include "fw/api/mac-cfg.h"
static const struct missed_beacon_test_case {
const char *desc;
struct {
struct iwl_missed_beacons_notif notif;
bool emlsr;
} input;
struct {
bool disconnected;
bool emlsr;
} output;
} missed_beacon_cases[] = {
{
.desc = "no EMLSR, no disconnect",
.input.notif = {
.consec_missed_beacons = cpu_to_le32(4),
},
},
{
.desc = "no EMLSR, no beacon loss since Rx, no disconnect",
.input.notif = {
.consec_missed_beacons = cpu_to_le32(20),
},
},
{
.desc = "no EMLSR, beacon loss since Rx, disconnect",
.input.notif = {
.consec_missed_beacons = cpu_to_le32(20),
.consec_missed_beacons_since_last_rx =
cpu_to_le32(10),
},
.output.disconnected = true,
},
};
KUNIT_ARRAY_PARAM_DESC(test_missed_beacon, missed_beacon_cases, desc);
static void fake_ieee80211_connection_loss(struct ieee80211_vif *vif)
{
vif->cfg.assoc = false;
}
static void test_missed_beacon(struct kunit *test)
{
struct iwl_mld *mld = test->priv;
struct iwl_missed_beacons_notif *notif;
const struct missed_beacon_test_case *test_param =
(const void *)(test->param_value);
struct ieee80211_vif *vif;
struct iwl_rx_packet *pkt;
struct iwl_mld_kunit_link link1 = {
.id = 0,
.chandef = &chandef_6ghz_160mhz,
};
struct iwl_mld_kunit_link link2 = {
.id = 1,
.chandef = &chandef_5ghz_80mhz,
};
kunit_activate_static_stub(test, ieee80211_connection_loss,
fake_ieee80211_connection_loss);
pkt = iwl_mld_kunit_create_pkt(test_param->input.notif);
notif = (void *)pkt->data;
if (test_param->input.emlsr) {
vif = iwlmld_kunit_assoc_emlsr(&link1, &link2);
} else {
struct iwl_mld_vif *mld_vif;
vif = iwlmld_kunit_setup_non_mlo_assoc(&link1);
mld_vif = iwl_mld_vif_from_mac80211(vif);
notif->link_id = cpu_to_le32(mld_vif->deflink.fw_id);
}
wiphy_lock(mld->wiphy);
iwl_mld_handle_missed_beacon_notif(mld, pkt);
wiphy_unlock(mld->wiphy);
KUNIT_ASSERT_NE(test, vif->cfg.assoc, test_param->output.disconnected);
}
struct dup_beacon_test_case {
const char *desc;
enum nl80211_chan_width bandwidth;
bool has_he_oper;
bool dup_beacon_bit;
s8 expected_adj;
};
static const struct dup_beacon_test_case dup_beacon_cases[] = {
{
.desc = "20 MHz - no duplication",
.bandwidth = NL80211_CHAN_WIDTH_20,
.has_he_oper = true,
.dup_beacon_bit = true,
.expected_adj = 0,
},
{
.desc = "40 MHz with duplication - 3 dB",
.bandwidth = NL80211_CHAN_WIDTH_40,
.has_he_oper = true,
.dup_beacon_bit = true,
.expected_adj = 3,
},
{
.desc = "80 MHz with duplication - 6 dB",
.bandwidth = NL80211_CHAN_WIDTH_80,
.has_he_oper = true,
.dup_beacon_bit = true,
.expected_adj = 6,
},
{
.desc = "160 MHz with duplication - 9 dB",
.bandwidth = NL80211_CHAN_WIDTH_160,
.has_he_oper = true,
.dup_beacon_bit = true,
.expected_adj = 9,
},
{
.desc = "320 MHz with duplication - 12 dB",
.bandwidth = NL80211_CHAN_WIDTH_320,
.has_he_oper = true,
.dup_beacon_bit = true,
.expected_adj = 12,
},
{
.desc = "80 MHz without dup bit - no adjustment",
.bandwidth = NL80211_CHAN_WIDTH_80,
.has_he_oper = true,
.dup_beacon_bit = false,
.expected_adj = 0,
},
{
.desc = "80 MHz without HE oper - no adjustment",
.bandwidth = NL80211_CHAN_WIDTH_80,
.has_he_oper = false,
.dup_beacon_bit = true,
.expected_adj = 0,
},
};
KUNIT_ARRAY_PARAM_DESC(test_dup_beacon_rssi_adjust, dup_beacon_cases, desc);
struct psd_eirp_test_case {
const char *desc;
const struct cfg80211_chan_def *chandef;
enum ieee80211_ap_reg_power power_type;
struct {
s8 psd_20;
s8 psd_oper;
s8 eirp_20;
s8 eirp_oper;
} local, reg;
s8 expected_adj;
struct {
bool no_psd_data;
bool no_eirp_data;
bool no_reg_psd_data;
bool has_partial_psd;
u8 psd_partial_count;
bool non_uniform_psd;
bool has_unusable_channels;
} flags;
};
static const struct psd_eirp_test_case psd_eirp_cases[] = {
{
.desc = "20 MHz VLP baseline - no boost expected",
.chandef = &chandef_6ghz_20mhz,
.power_type = IEEE80211_REG_VLP_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 40,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 40,
},
.expected_adj = 0,
},
{
.desc = "40 MHz VLP - power limit prevents boost",
.chandef = &chandef_6ghz_40mhz,
.power_type = IEEE80211_REG_VLP_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 46,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 46,
},
.expected_adj = 0,
},
{
.desc = "80 MHz LPI - power limit caps the boost",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.expected_adj = 3,
},
{
.desc = "160 MHz LPI - power limit caps the boost",
.chandef = &chandef_6ghz_160mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 58,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 58,
},
.expected_adj = 3,
},
{
.desc = "320 MHz SP - power limit caps the boost",
.chandef = &chandef_6ghz_320mhz_pri0,
.power_type = IEEE80211_REG_SP_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 63,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 63,
},
.expected_adj = 3,
},
{
.desc = "80 MHz - EIRP prevents boost",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 20,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 20,
},
.expected_adj = 0,
},
{
.desc = "40 MHz - regulatory TPE sets lower limits",
.chandef = &chandef_6ghz_40mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 30, .psd_oper = 30,
.eirp_20 = 50, .eirp_oper = 56,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 46,
},
.expected_adj = 3,
},
{
.desc = "80 MHz - PSD missing, use EIRP only",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = S8_MAX, .psd_oper = S8_MAX,
.eirp_20 = 40, .eirp_oper = 52,
},
.reg = {
.psd_20 = S8_MAX, .psd_oper = S8_MAX,
.eirp_20 = 40, .eirp_oper = 52,
},
.expected_adj = 0,
.flags.no_psd_data = true,
},
{
.desc = "80 MHz - single PSD source available",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.expected_adj = 3,
.flags.no_reg_psd_data = true,
},
{
.desc = "80 MHz - partial PSD data present",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 24, .psd_oper = 24,
.eirp_20 = 40, .eirp_oper = 56,
},
.reg = {
.psd_20 = 24, .psd_oper = 24,
.eirp_20 = 40, .eirp_oper = 56,
},
.expected_adj = 0,
.flags.has_partial_psd = true,
.flags.psd_partial_count = 2,
},
{
.desc = "160 MHz - different PSD per sub-channel",
.chandef = &chandef_6ghz_160mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 8, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 58,
},
.reg = {
.psd_20 = 8, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 58,
},
.expected_adj = 11,
.flags.non_uniform_psd = true,
},
{
.desc = "80 MHz - EIRP missing, use PSD only",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = S8_MAX, .eirp_oper = S8_MAX,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = S8_MAX, .eirp_oper = S8_MAX,
},
.expected_adj = 3,
.flags.no_eirp_data = true,
},
{
.desc = "80 MHz - skip unusable channels in average",
.chandef = &chandef_6ghz_80mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 52,
},
.expected_adj = 3,
.flags.has_unusable_channels = true,
},
{
.desc = "40 MHz - no negative adjustment",
.chandef = &chandef_6ghz_40mhz,
.power_type = IEEE80211_REG_LPI_AP,
.local = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 18,
},
.reg = {
.psd_20 = 20, .psd_oper = 20,
.eirp_20 = 40, .eirp_oper = 18,
},
.expected_adj = 0,
},
};
KUNIT_ARRAY_PARAM_DESC(test_psd_eirp_rssi_adjust, psd_eirp_cases, desc);
static void setup_psd(struct ieee80211_bss_conf *link_conf,
const struct psd_eirp_test_case *params,
int num_subchannels)
{
int i;
if (params->flags.no_psd_data) {
link_conf->tpe.psd_local[0].valid = false;
link_conf->tpe.psd_reg_client[0].valid = false;
link_conf->tpe.psd_local[0].count = 0;
link_conf->tpe.psd_reg_client[0].count = 0;
} else if (params->flags.no_reg_psd_data) {
link_conf->tpe.psd_local[0].valid = true;
link_conf->tpe.psd_local[0].count = num_subchannels;
link_conf->tpe.psd_reg_client[0].valid = false;
link_conf->tpe.psd_reg_client[0].count = 0;
} else if (params->flags.has_partial_psd) {
link_conf->tpe.psd_local[0].valid = true;
link_conf->tpe.psd_local[0].count =
params->flags.psd_partial_count;
link_conf->tpe.psd_reg_client[0].valid = true;
link_conf->tpe.psd_reg_client[0].count =
params->flags.psd_partial_count;
} else {
link_conf->tpe.psd_local[0].valid = true;
link_conf->tpe.psd_local[0].count = num_subchannels;
link_conf->tpe.psd_reg_client[0].valid = true;
link_conf->tpe.psd_reg_client[0].count = num_subchannels;
}
if (params->flags.non_uniform_psd) {
static const s8 psd_values[] = {20, 24, 20, 16, 20, 24, 20, 16,
20, 24, 20, 16, 20, 24, 20};
link_conf->tpe.psd_local[0].power[0] =
params->local.psd_20 * 2;
link_conf->tpe.psd_reg_client[0].power[0] =
params->reg.psd_20 * 2;
for (i = 1; i < num_subchannels; i++) {
link_conf->tpe.psd_local[0].power[i] =
psd_values[i - 1];
link_conf->tpe.psd_reg_client[0].power[i] =
psd_values[i - 1];
}
} else if (params->flags.no_psd_data) {
for (i = 0; i < num_subchannels; i++) {
link_conf->tpe.psd_local[0].power[i] = S8_MAX;
link_conf->tpe.psd_reg_client[0].power[i] = S8_MAX;
}
} else if (params->flags.has_unusable_channels) {
link_conf->tpe.psd_local[0].power[0] =
params->local.psd_20 * 2;
link_conf->tpe.psd_reg_client[0].power[0] =
params->reg.psd_20 * 2;
for (i = 1; i < num_subchannels; i++) {
if (i % 2 == 0) {
link_conf->tpe.psd_local[0].power[i] =
params->local.psd_oper * 2;
link_conf->tpe.psd_reg_client[0].power[i] =
params->reg.psd_oper * 2;
} else {
link_conf->tpe.psd_local[0].power[i] = S8_MIN;
link_conf->tpe.psd_reg_client[0].power[i] =
S8_MIN;
}
}
} else {
link_conf->tpe.psd_local[0].power[0] =
params->local.psd_20 * 2;
link_conf->tpe.psd_reg_client[0].power[0] =
params->reg.psd_20 * 2;
for (i = 1; i < num_subchannels; i++) {
link_conf->tpe.psd_local[0].power[i] =
params->local.psd_oper * 2;
link_conf->tpe.psd_reg_client[0].power[i] =
params->reg.psd_oper * 2;
}
}
}
static void setup_eirp(struct ieee80211_bss_conf *link_conf,
const struct psd_eirp_test_case *params,
int num_subchannels)
{
int i;
int count = ilog2(num_subchannels) + 1;
link_conf->tpe.max_local[0].valid = !params->flags.no_eirp_data;
link_conf->tpe.max_reg_client[0].valid = !params->flags.no_eirp_data;
if (params->flags.no_eirp_data) {
link_conf->tpe.max_local[0].count = 0;
link_conf->tpe.max_reg_client[0].count = 0;
return;
}
link_conf->tpe.max_local[0].count = count;
link_conf->tpe.max_reg_client[0].count = count;
link_conf->tpe.max_local[0].power[0] = params->local.eirp_20 * 2;
link_conf->tpe.max_reg_client[0].power[0] = params->reg.eirp_20 * 2;
for (i = 1; i < count; i++) {
link_conf->tpe.max_local[0].power[i] =
params->local.eirp_oper * 2;
link_conf->tpe.max_reg_client[0].power[i] =
params->reg.eirp_oper * 2;
}
}
static void test_dup_beacon_rssi_adjust(struct kunit *test)
{
const struct dup_beacon_test_case *params = test->param_value;
struct iwl_mld *mld = test->priv;
struct ieee80211_bss_conf *link_conf;
struct cfg80211_bss *bss;
struct element *he_elem = NULL;
s8 result;
KUNIT_ALLOC_AND_ASSERT(test, link_conf);
KUNIT_ALLOC_AND_ASSERT(test, bss);
link_conf->bss = bss;
link_conf->chanreq.oper.chan = &chan_6ghz;
link_conf->chanreq.oper.width = params->bandwidth;
if (params->has_he_oper) {
struct ieee80211_he_6ghz_oper he_6ghz = {};
if (params->dup_beacon_bit)
he_6ghz.control =
IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON;
he_elem = iwlmld_kunit_create_he_6ghz_oper(he_6ghz);
}
rcu_assign_pointer(bss->beacon_ies,
iwlmld_kunit_create_bss_ies(he_elem));
guard(wiphy)(mld->wiphy);
result = iwl_mld_get_dup_beacon_rssi_adjust(mld, link_conf);
KUNIT_EXPECT_EQ(test, result, params->expected_adj);
}
static void test_psd_eirp_rssi_adjust(struct kunit *test)
{
const struct psd_eirp_test_case *params = test->param_value;
struct ieee80211_bss_conf *link_conf;
int num_subchannels;
s8 result;
KUNIT_ALLOC_AND_ASSERT(test, link_conf);
link_conf->power_type = params->power_type;
link_conf->chanreq.oper = *params->chandef;
num_subchannels =
nl80211_chan_width_to_mhz(params->chandef->width) / 20;
setup_psd(link_conf, params, num_subchannels);
setup_eirp(link_conf, params, num_subchannels);
result = iwl_mld_get_psd_eirp_rssi_adjust(link_conf);
KUNIT_EXPECT_EQ(test, result, params->expected_adj);
}
static struct kunit_case link_cases[] = {
KUNIT_CASE_PARAM(test_missed_beacon, test_missed_beacon_gen_params),
KUNIT_CASE_PARAM(test_dup_beacon_rssi_adjust,
test_dup_beacon_rssi_adjust_gen_params),
KUNIT_CASE_PARAM(test_psd_eirp_rssi_adjust,
test_psd_eirp_rssi_adjust_gen_params),
{},
};
static struct kunit_suite link = {
.name = "iwlmld-link",
.test_cases = link_cases,
.init = iwlmld_kunit_test_init,
};
kunit_test_suite(link);