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tests: Verify BTM request with link removal imminent flow

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Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2023-12-13 16:04:11 +02:00 committed by Jouni Malinen
parent 7a873c81ee
commit 6ced33b43f
1 changed files with 49 additions and 0 deletions
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49
tests/hwsim/test_eht.py
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@ -882,3 +882,52 @@ def test_eht_mld_link_removal(dev, apdev):
logger.info("Test traffic after 1st link disabled")
traffic_test(wpas, hapd0, success=False)
def test_eht_mld_bss_trans_mgmt_link_removal_imminent(dev, apdev):
"""EHT MLD with two links. BSS transition management with link removal imminent"""
with HWSimRadio(use_mlo=True) as (hapd0_radio, hapd0_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_owe_two_link"
params = eht_mld_ap_wpa2_params(ssid, key_mgmt="OWE", mfp="2")
params["bss_transition"] = "1"
params["mbo"] = "1"
hapd0 = eht_mld_enable_ap(hapd0_iface, params)
params['channel'] = '6'
hapd1 = eht_mld_enable_ap(hapd0_iface, params)
wpas.connect(ssid, scan_freq="2412 2437", key_mgmt="OWE",
ieee80211w="2")
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
valid_links=3, active_links=3)
eht_verify_wifi_version(wpas)
hapd0.wait_sta()
hapd1.wait_sta()
traffic_test(wpas, hapd0)
addr = wpas.own_addr()
cmd = "BSS_TM_REQ " + addr + " disassoc_timer=3 disassoc_imminent=1 link_removal_imminent=1 bss_term=0,1"
if "OK" not in hapd0.request(cmd):
raise Exception("BSS_TM_REQ command failed")
# Only one link is terminate, so the STA is expected to remain
# associated and not start a scan.
ev = hapd0.wait_event(['BSS-TM-RESP'], timeout=5)
# For now, allow this to pass without the BSS TM response since that
# functionality with MLD needs a recent kernel change.
#if ev is None:
# raise Exception("No BSS TM response received")
if ev and "status_code=0" not in ev:
raise Exception("Unexpected BSS TM response contents: " + ev)
ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED",
"CTRL-EVENT-DISCONNECTED"], timeout=10)
if ev is not None:
raise Exception("Unexpected action on STA: " + ev)