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tests: Add some MLD association tests

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Test ML association, automatic link discovery using ML probe requests
and marking BSSs as failed after an ML association failure, if the
corresponding link also rejected the association.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
This commit is contained in:
Benjamin Berg 2023-11-21 01:51:53 +02:00 committed by Jouni Malinen
parent a02f52a055
commit e086ce16a4
1 changed files with 117 additions and 0 deletions
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117
tests/hwsim/test_eht.py
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@ -10,6 +10,7 @@ from hwsim import HWSimRadio
import hwsim_utils
from wpasupplicant import WpaSupplicant
import re
from tshark import run_tshark
def eht_verify_wifi_version(dev):
status = dev.get_status()
@ -676,6 +677,122 @@ def test_eht_ml_probe_req(dev, apdev):
if ev is None:
raise Exception("ML_PROBE_REQ did not result in scan results")
def test_eht_mld_connect_probes(dev, apdev, params):
"""MLD client sends ML probe to connect to not discovered links"""
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(wpas_iface)
ssid = "mld_ap"
passphrase = 'qwertyuiop'
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
key_mgmt="SAE", pwe='2')
link_params['channel'] = '1'
link_params['bssid'] = '00:11:22:33:44:01'
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
link_params['channel'] = '6'
link_params['bssid'] = '00:11:22:33:44:02'
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
wpas.set("sae_pwe", "1")
wpas.connect(ssid, sae_password= passphrase, ieee80211w="2",
key_mgmt="SAE", scan_freq="2412")
out = run_tshark(os.path.join(params['logdir'], 'hwsim0.pcapng'),
'wlan.fc.type_subtype == 0x0004 && wlan.ext_tag.number == 107 && wlan.ext_tag.data == 11:00:02:00:00:02:11:00',
display=['frame.number'])
if not out.splitlines():
raise Exception('ML probe request not found')
# Probe Response frame has the ML element, which will be fragmented
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"wlan.fc.type_subtype == 0x0005 && wlan.ext_tag.number == 107 && wlan.ext_tag.length == 254",
display=['frame.number'])
if not out.splitlines():
# This requires new tshark (e.g., 4.0.6); for now, ignore the issue
# to avoid forcing such upgrade.
logger.info('ML probe response not found')
#raise Exception('ML probe response not found')
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
valid_links=3, active_links=3)
traffic_test(wpas, hapd0)
traffic_test(wpas, hapd1)
def test_eht_tx_link_rejected_connect_other(dev, apdev, params):
"""EHT MLD AP with MLD client being rejected on TX link, but then connecting on second link"""
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(wpas_iface)
ssid = "mld_ap"
passphrase = 'qwertyuiop'
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
key_mgmt="SAE", pwe='2')
link_params['channel'] = '1'
link_params['bssid'] = '00:11:22:33:44:01'
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
link_params['channel'] = '6'
link_params['bssid'] = '00:11:22:33:44:02'
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
wpas.set("sae_pwe", "1")
with fail_test(hapd0, 1, "hostapd_get_aid"):
wpas.connect(ssid, sae_password=passphrase, ieee80211w="2",
key_mgmt="SAE", scan_freq="2412")
eht_verify_status(wpas, hapd1, 2437, 20, is_ht=True, mld=True,
valid_links=2, active_links=2)
traffic_test(wpas, hapd0)
traffic_test(wpas, hapd1)
def test_eht_all_links_rejected(dev, apdev, params):
"""EHT MLD AP with MLD client ignores all rejected links"""
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(wpas_iface)
ssid = "mld_ap"
passphrase = 'qwertyuiop'
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
key_mgmt="SAE", pwe='2')
link_params['channel'] = '1'
link_params['bssid'] = '00:11:22:33:44:01'
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
link_params['channel'] = '6'
link_params['bssid'] = '00:11:22:33:44:02'
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
wpas.set("mld_connect_bssid_pref", "00:11:22:33:44:01")
wpas.set("sae_pwe", "1")
with fail_test(hapd0, 1, "hostapd_get_aid",
1, "hostapd_process_assoc_ml_info"):
wpas.connect(ssid, sae_password=passphrase, ieee80211w="2",
key_mgmt="SAE", scan_freq="2412", wait_connect=False)
ev = wpas.wait_event(['CTRL-EVENT-ASSOC-REJECT'])
if not ev:
raise Exception('Rejection not found')
ev1 = wpas.wait_event(['Added BSSID'])
ev2 = wpas.wait_event(['Added BSSID'])
if (not ev1 or not ev2) or \
not ((hapd0.own_addr() in ev1 and hapd1.own_addr() in ev2) or
(hapd1.own_addr() in ev1 and hapd0.own_addr() in ev2)):
raise Exception('Not all BSSs were added to the ignore list')
# After this message, a new scan clears the ignore and the STA
# connects.
wpas.wait_connected(timeout=15)
def test_eht_mld_link_removal(dev, apdev):
"""EHT MLD with two links. Links removed during association"""