hostap/tests/hwsim/test_ap_vht.py
Jouni Malinen 21cf2c5baf tests: Skip more tests based on missing TKIP support
This makes it more convenient to run tests with builds that disable
TKIP/WPA(v1) support completely.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2020-04-17 23:51:58 +03:00

1222 lines
49 KiB
Python

# Test cases for VHT operations with hostapd
# Copyright (c) 2014, Qualcomm Atheros, Inc.
# Copyright (c) 2013, Intel Corporation
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import os
import subprocess, time
import hwsim_utils
import hostapd
from wpasupplicant import WpaSupplicant
from utils import *
from test_dfs import wait_dfs_event
from test_ap_csa import csa_supported
from test_ap_ht import clear_scan_cache
def vht_supported():
cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
reg = cmd.stdout.read()
if "@ 80)" in reg or "@ 160)" in reg:
return True
return False
def test_ap_vht80(dev, apdev):
"""VHT with 80 MHz channel width"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
sig = dev[0].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=5180" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=80 MHz" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
est = dev[0].get_bss(bssid)['est_throughput']
if est != "390001":
raise Exception("Unexpected BSS est_throughput: " + est)
status = dev[0].get_status()
if status["ieee80211ac"] != "1":
raise Exception("Unexpected STATUS ieee80211ac value (STA)")
status = hapd.get_status()
logger.info("hostapd STATUS: " + str(status))
if status["ieee80211n"] != "1":
raise Exception("Unexpected STATUS ieee80211n value")
if status["ieee80211ac"] != "1":
raise Exception("Unexpected STATUS ieee80211ac value")
if status["secondary_channel"] != "1":
raise Exception("Unexpected STATUS secondary_channel value")
if status["vht_oper_chwidth"] != "1":
raise Exception("Unexpected STATUS vht_oper_chwidth value")
if status["vht_oper_centr_freq_seg0_idx"] != "42":
raise Exception("Unexpected STATUS vht_oper_centr_freq_seg0_idx value")
if "vht_caps_info" not in status:
raise Exception("Missing vht_caps_info")
sta = hapd.get_sta(dev[0].own_addr())
logger.info("hostapd STA: " + str(sta))
if "[HT]" not in sta['flags']:
raise Exception("Missing STA flag: HT")
if "[VHT]" not in sta['flags']:
raise Exception("Missing STA flag: VHT")
if 'supp_op_classes' not in sta or len(sta['supp_op_classes']) < 2:
raise Exception("No Supported Operating Classes information for STA")
opclass = int(sta['supp_op_classes'][0:2], 16)
if opclass != 128:
raise Exception("Unexpected Current Operating Class from STA: %d" % opclass)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)
def test_ap_vht_wifi_generation(dev, apdev):
"""VHT and wifi_generation"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
status = dev[0].get_status()
if 'wifi_generation' not in status:
# For now, assume this is because of missing kernel support
raise HwsimSkip("Association Request IE reporting not supported")
#raise Exception("Missing wifi_generation information")
if status['wifi_generation'] != "5":
raise Exception("Unexpected wifi_generation value: " + status['wifi_generation'])
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("vht", key_mgmt="NONE", scan_freq="5180")
status = wpas.get_status()
if 'wifi_generation' not in status:
# For now, assume this is because of missing kernel support
raise HwsimSkip("Association Request IE reporting not supported")
#raise Exception("Missing wifi_generation information (connect)")
if status['wifi_generation'] != "5":
raise Exception("Unexpected wifi_generation value (connect): " + status['wifi_generation'])
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)
def vht80_test(apdev, dev, channel, ht_capab):
clear_scan_cache(apdev)
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": str(channel),
"ht_capab": ht_capab,
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev, params)
bssid = apdev['bssid']
dev[0].connect("vht", key_mgmt="NONE",
scan_freq=str(5000 + 5 * channel))
hwsim_utils.test_connectivity(dev[0], hapd)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht80b(dev, apdev):
"""VHT with 80 MHz channel width (HT40- channel 40)"""
vht80_test(apdev[0], dev, 40, "[HT40-]")
def test_ap_vht80c(dev, apdev):
"""VHT with 80 MHz channel width (HT40+ channel 44)"""
vht80_test(apdev[0], dev, 44, "[HT40+]")
def test_ap_vht80d(dev, apdev):
"""VHT with 80 MHz channel width (HT40- channel 48)"""
vht80_test(apdev[0], dev, 48, "[HT40-]")
def test_ap_vht80_params(dev, apdev):
"""VHT with 80 MHz channel width and number of optional features enabled"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+][SHORT-GI-40][DSS_CCK-40]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_capab": "[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][MAX-A-MPDU-LEN-EXP0]",
"vht_oper_centr_freq_seg0_idx": "42",
"require_vht": "1"}
hapd = hostapd.add_ap(apdev[0], params)
dev[1].connect("vht", key_mgmt="NONE", scan_freq="5180",
disable_vht="1", wait_connect=False)
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
dev[2].connect("vht", key_mgmt="NONE", scan_freq="5180",
disable_sgi="1")
ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
if ev is None:
raise Exception("Association rejection timed out")
if "status_code=104" not in ev:
raise Exception("Unexpected rejection status code")
dev[1].request("DISCONNECT")
hwsim_utils.test_connectivity(dev[0], hapd)
sta0 = hapd.get_sta(dev[0].own_addr())
sta2 = hapd.get_sta(dev[2].own_addr())
capab0 = int(sta0['vht_caps_info'], base=16)
capab2 = int(sta2['vht_caps_info'], base=16)
if capab0 & 0x60 == 0:
raise Exception("dev[0] did not support SGI")
if capab2 & 0x60 != 0:
raise Exception("dev[2] claimed support for SGI")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev, count=3)
def test_ap_vht80_invalid(dev, apdev):
"""VHT with invalid 80 MHz channel configuration (seg1)"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42",
"vht_oper_centr_freq_seg1_idx": "155",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
# This fails due to unexpected seg1 configuration
ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
if ev is None:
raise Exception("AP-DISABLED not reported")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht80_invalid2(dev, apdev):
"""VHT with invalid 80 MHz channel configuration (seg0)"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "46",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
# This fails due to invalid seg0 configuration
ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
if ev is None:
raise Exception("AP-DISABLED not reported")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht_20(devs, apdevs):
"""VHT and 20 MHz channel"""
dev = devs[0]
ap = apdevs[0]
try:
hapd = None
params = {"ssid": "test-vht20",
"country_code": "DE",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0",
"supported_rates": "60 120 240 360 480 540",
"require_vht": "1"}
hapd = hostapd.add_ap(ap, params)
dev.connect("test-vht20", scan_freq="5180", key_mgmt="NONE")
hwsim_utils.test_connectivity(dev, hapd)
sta = hapd.get_sta(dev.own_addr())
if 'supp_op_classes' not in sta or len(sta['supp_op_classes']) < 2:
raise Exception("No Supported Operating Classes information for STA")
opclass = int(sta['supp_op_classes'][0:2], 16)
if opclass != 115:
raise Exception("Unexpected Current Operating Class from STA: %d" % opclass)
finally:
dev.request("DISCONNECT")
clear_regdom(hapd, devs)
def test_ap_vht_40(devs, apdevs):
"""VHT and 40 MHz channel"""
dev = devs[0]
ap = apdevs[0]
try:
hapd = None
params = {"ssid": "test-vht40",
"country_code": "DE",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "[HT40+]",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0"}
hapd = hostapd.add_ap(ap, params)
dev.connect("test-vht40", scan_freq="5180", key_mgmt="NONE")
hwsim_utils.test_connectivity(dev, hapd)
sta = hapd.get_sta(dev.own_addr())
if 'supp_op_classes' not in sta or len(sta['supp_op_classes']) < 2:
raise Exception("No Supported Operating Classes information for STA")
opclass = int(sta['supp_op_classes'][0:2], 16)
if opclass != 116:
raise Exception("Unexpected Current Operating Class from STA: %d" % opclass)
finally:
dev.request("DISCONNECT")
clear_regdom(hapd, devs)
def test_ap_vht_capab_not_supported(dev, apdev):
"""VHT configuration with driver not supporting all vht_capab entries"""
try:
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+][SHORT-GI-40][DSS_CCK-40]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_capab": "[MAX-MPDU-7991][MAX-MPDU-11454][VHT160][VHT160-80PLUS80][RXLDPC][SHORT-GI-80][SHORT-GI-160][TX-STBC-2BY1][RX-STBC-1][RX-STBC-12][RX-STBC-123][RX-STBC-1234][SU-BEAMFORMER][SU-BEAMFORMEE][BF-ANTENNA-2][BF-ANTENNA-3][BF-ANTENNA-4][SOUNDING-DIMENSION-2][SOUNDING-DIMENSION-3][SOUNDING-DIMENSION-4][MU-BEAMFORMER][VHT-TXOP-PS][HTC-VHT][MAX-A-MPDU-LEN-EXP0][MAX-A-MPDU-LEN-EXP7][VHT-LINK-ADAPT2][VHT-LINK-ADAPT3][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN]",
"vht_oper_centr_freq_seg0_idx": "42",
"require_vht": "1"}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
if ev is None:
raise Exception("Startup failure not reported")
for i in range(1, 7):
if "OK" not in hapd.request("SET vht_capab [MAX-A-MPDU-LEN-EXP%d]" % i):
raise Exception("Unexpected SET failure")
finally:
clear_regdom(hapd, dev)
def test_ap_vht160(dev, apdev):
"""VHT with 160 MHz channel width (1)"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "2",
"vht_oper_centr_freq_seg0_idx": "50",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
if "DFS-CAC-START" not in ev:
raise Exception("Unexpected DFS event")
state = hapd.get_status_field("state")
if state != "DFS":
if state == "DISABLED" and not os.path.exists("dfs"):
# Not all systems have recent enough CRDA version and
# wireless-regdb changes to support 160 MHz and DFS. For now,
# do not report failures for this test case.
raise HwsimSkip("CRDA or wireless-regdb did not support 160 MHz")
raise Exception("Unexpected interface state: " + state)
logger.info("Waiting for CAC to complete")
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed")
if "freq=5180" not in ev:
raise Exception("Unexpected DFS freq result")
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state")
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
dev[0].wait_regdom(country_ie=True)
hwsim_utils.test_connectivity(dev[0], hapd)
sig = dev[0].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=5180" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=160 MHz" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
sta = hapd.get_sta(dev[0].own_addr())
if 'supp_op_classes' not in sta or len(sta['supp_op_classes']) < 2:
raise Exception("No Supported Operating Classes information for STA")
opclass = int(sta['supp_op_classes'][0:2], 16)
if opclass != 129:
raise Exception("Unexpected Current Operating Class from STA: %d" % opclass)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
def test_ap_vht160b(dev, apdev):
"""VHT with 160 MHz channel width (2)"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "104",
"ht_capab": "[HT40-]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "2",
"vht_oper_centr_freq_seg0_idx": "114",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[1], params, wait_enabled=False)
ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
if "DFS-CAC-START" not in ev:
raise Exception("Unexpected DFS event(2)")
state = hapd.get_status_field("state")
if state != "DFS":
if state == "DISABLED" and not os.path.exists("dfs"):
# Not all systems have recent enough CRDA version and
# wireless-regdb changes to support 160 MHz and DFS. For now,
# do not report failures for this test case.
raise HwsimSkip("CRDA or wireless-regdb did not support 160 MHz")
raise Exception("Unexpected interface state: " + state)
logger.info("Waiting for CAC to complete")
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed(2)")
if "freq=5520" not in ev:
raise Exception("Unexpected DFS freq result(2)")
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out(2)")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state(2)")
freq = hapd.get_status_field("freq")
if freq != "5520":
raise Exception("Unexpected frequency(2)")
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5520")
dev[0].wait_regdom(country_ie=True)
hwsim_utils.test_connectivity(dev[0], hapd)
sig = dev[0].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=5520" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=160 MHz" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
def test_ap_vht160_no_dfs_100_plus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (100 plus)"""
run_ap_vht160_no_dfs(dev, apdev, "100", "[HT40+]")
def test_ap_vht160_no_dfs(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (104 minus)"""
run_ap_vht160_no_dfs(dev, apdev, "104", "[HT40-]")
def test_ap_vht160_no_dfs_108_plus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (108 plus)"""
run_ap_vht160_no_dfs(dev, apdev, "108", "[HT40+]")
def test_ap_vht160_no_dfs_112_minus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (112 minus)"""
run_ap_vht160_no_dfs(dev, apdev, "112", "[HT40-]")
def test_ap_vht160_no_dfs_116_plus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (116 plus)"""
run_ap_vht160_no_dfs(dev, apdev, "116", "[HT40+]")
def test_ap_vht160_no_dfs_120_minus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (120 minus)"""
run_ap_vht160_no_dfs(dev, apdev, "120", "[HT40-]")
def test_ap_vht160_no_dfs_124_plus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (124 plus)"""
run_ap_vht160_no_dfs(dev, apdev, "124", "[HT40+]")
def test_ap_vht160_no_dfs_128_minus(dev, apdev):
"""VHT with 160 MHz channel width and no DFS (128 minus)"""
run_ap_vht160_no_dfs(dev, apdev, "128", "[HT40-]")
def run_ap_vht160_no_dfs(dev, apdev, channel, ht_capab):
try:
hapd = None
params = {"ssid": "vht",
"country_code": "ZA",
"hw_mode": "a",
"channel": channel,
"ht_capab": ht_capab,
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "2",
"vht_oper_centr_freq_seg0_idx": "114",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-ENABLED"], timeout=2)
if not ev:
cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
reg = cmd.stdout.readlines()
for r in reg:
if "5490" in r and "DFS" in r:
raise HwsimSkip("ZA regulatory rule did not have DFS requirement removed")
raise Exception("AP setup timed out")
freq = str(int(channel) * 5 + 5000)
dev[0].connect("vht", key_mgmt="NONE", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
hwsim_utils.test_connectivity(dev[0], hapd)
sig = dev[0].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=" + freq not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=160 MHz" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht160_no_ht40(dev, apdev):
"""VHT with 160 MHz channel width and HT40 disabled"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "ZA",
"hw_mode": "a",
"channel": "108",
"ht_capab": "",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "2",
"vht_oper_centr_freq_seg0_idx": "114",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=2)
if not ev:
cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
reg = cmd.stdout.readlines()
for r in reg:
if "5490" in r and "DFS" in r:
raise HwsimSkip("ZA regulatory rule did not have DFS requirement removed")
raise Exception("AP setup timed out")
if "AP-ENABLED" in ev:
# This was supposed to fail due to sec_channel_offset == 0
raise Exception("Unexpected AP-ENABLED")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht80plus80(dev, apdev):
"""VHT with 80+80 MHz channel width"""
try:
hapd = None
hapd2 = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "52",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "3",
"vht_oper_centr_freq_seg0_idx": "58",
"vht_oper_centr_freq_seg1_idx": "155",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
# This will actually fail since DFS on 80+80 is not yet supported
ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
# ignore result to avoid breaking the test once 80+80 DFS gets enabled
params = {"ssid": "vht2",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "3",
"vht_oper_centr_freq_seg0_idx": "42",
"vht_oper_centr_freq_seg1_idx": "155"}
hapd2 = hostapd.add_ap(apdev[1], params, wait_enabled=False)
ev = hapd2.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out(2)")
if "AP-DISABLED" in ev:
# Assume this failed due to missing regulatory update for now
raise HwsimSkip("80+80 MHz channel not supported in regulatory information")
state = hapd2.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state(2)")
dev[1].connect("vht2", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[1], hapd2)
sig = dev[1].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=5180" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=80+80 MHz" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
if "CENTER_FRQ1=5210" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
if "CENTER_FRQ2=5775" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(4): " + str(sig))
sta = hapd2.get_sta(dev[1].own_addr())
if 'supp_op_classes' not in sta or len(sta['supp_op_classes']) < 2:
raise Exception("No Supported Operating Classes information for STA")
opclass = int(sta['supp_op_classes'][0:2], 16)
if opclass != 130:
raise Exception("Unexpected Current Operating Class from STA: %d" % opclass)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
if hapd2:
hapd2.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
dev[1].flush_scan_cache()
def test_ap_vht80plus80_invalid(dev, apdev):
"""VHT with invalid 80+80 MHz channel"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "3",
"vht_oper_centr_freq_seg0_idx": "42",
"vht_oper_centr_freq_seg1_idx": "0",
'ieee80211d': '1',
'ieee80211h': '1'}
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
# This fails due to missing(invalid) seg1 configuration
ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
if ev is None:
raise Exception("AP-DISABLED not reported")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht80_csa(dev, apdev):
"""VHT with 80 MHz channel width and CSA"""
csa_supported(dev[0])
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "149",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "155"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5180 ht vht blocktx center_freq1=5210 sec_channel_offset=1 bandwidth=80")
ev = hapd.wait_event(["CTRL-EVENT-STARTED-CHANNEL-SWITCH"], timeout=10)
if ev is None:
raise Exception("Channel switch start event not seen")
if "freq=5180" not in ev:
raise Exception("Unexpected channel in CS started")
ev = hapd.wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=10)
if ev is None:
raise Exception("Channel switch completion event not seen")
if "freq=5180" not in ev:
raise Exception("Unexpected channel in CS completed")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5180" not in ev:
raise Exception("Unexpected channel in CSA finished event")
time.sleep(0.5)
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5745")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5745" not in ev:
raise Exception("Unexpected channel in CSA finished event")
time.sleep(0.5)
hwsim_utils.test_connectivity(dev[0], hapd)
# This CSA to same channel will fail in kernel, so use this only for
# extra code coverage.
hapd.request("CHAN_SWITCH 5 5745")
hapd.wait_event(["AP-CSA-FINISHED"], timeout=1)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)
def test_ap_vht_csa_vht40(dev, apdev):
"""VHT CSA with VHT40 getting enabled"""
csa_supported(dev[0])
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "149",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "0"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5765 sec_channel_offset=-1 center_freq1=5755 bandwidth=40 vht")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5765" not in ev:
raise Exception("Unexpected channel in CSA finished event")
ev = dev[0].wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=5)
if ev is None:
raise Exception("Channel switch event not seen")
if "freq=5765" not in ev:
raise Exception("Channel mismatch: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected disconnection event from station")
hwsim_utils.test_connectivity(dev[0], hapd)
dev[1].connect("vht", key_mgmt="NONE", scan_freq="5765")
hwsim_utils.test_connectivity(dev[1], hapd)
if dev[1].get_status_field("ieee80211ac") != '1':
raise Exception("VHT not enabled as part of channel switch")
finally:
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
dev[1].flush_scan_cache()
def test_ap_vht_csa_vht20(dev, apdev):
"""VHT CSA with VHT20 getting enabled"""
csa_supported(dev[0])
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "149",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "0"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5200 center_freq1=5200 bandwidth=20 vht")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5200" not in ev:
raise Exception("Unexpected channel in CSA finished event")
time.sleep(0.5)
hwsim_utils.test_connectivity(dev[0], hapd)
dev[1].connect("vht", key_mgmt="NONE", scan_freq="5200")
hwsim_utils.test_connectivity(dev[1], hapd)
if dev[1].get_status_field("ieee80211ac") != '1':
raise Exception("VHT not enabled as part of channel switch")
finally:
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
dev[1].flush_scan_cache()
def test_ap_vht_csa_vht40_disable(dev, apdev):
"""VHT CSA with VHT40 getting disabled"""
csa_supported(dev[0])
try:
hapd = None
params = {"ssid": "vht",
"country_code": "US",
"hw_mode": "a",
"channel": "149",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5200 5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5200 center_freq1=5210 sec_channel_offset=1 bandwidth=40 ht")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5200" not in ev:
raise Exception("Unexpected channel in CSA finished event")
ev = dev[0].wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=5)
if ev is None:
raise Exception("Channel switch event not seen")
if "freq=5200" not in ev:
raise Exception("Channel mismatch: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev:
# mac80211 does not support CSA to disable VHT, so the channel
# switch will be followed by disconnection and attempt to reconnect.
# Wait for that here to avoid failing the test case based on how
# example the connectivity test would get timed compared to getting
# disconnected or reconnected.
dev[0].wait_connected()
hwsim_utils.test_connectivity(dev[0], hapd)
dev[1].connect("vht", key_mgmt="NONE", scan_freq="5200")
hwsim_utils.test_connectivity(dev[1], hapd)
if dev[1].get_status_field("ieee80211ac") == '1':
raise Exception("VHT not disabled as part of channel switch")
finally:
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
dev[1].flush_scan_cache()
def test_ap_vht_on_24ghz(dev, apdev):
"""Subset of VHT features on 2.4 GHz"""
hapd = None
params = {"ssid": "test-vht-2g",
"hw_mode": "g",
"channel": "1",
"ieee80211n": "1",
"vendor_vht": "1",
"vht_capab": "[MAX-MPDU-11454]",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "1"}
hapd = hostapd.add_ap(apdev[0], params)
try:
if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 dd1300904c0400bf0c3240820feaff0000eaff0000"):
raise Exception("Failed to add vendor element")
dev[0].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
sta = hapd.get_sta(dev[0].own_addr())
if '[VENDOR_VHT]' not in sta['flags']:
raise Exception("No VENDOR_VHT STA flag")
dev[1].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
hapd.wait_sta()
sta = hapd.get_sta(dev[1].own_addr())
if '[VENDOR_VHT]' in sta['flags']:
raise Exception("Unexpected VENDOR_VHT STA flag")
status = dev[0].get_status()
if 'wifi_generation' in status:
if status['wifi_generation'] != "4":
raise Exception("Unexpected wifi_generation value: " + status['wifi_generation'])
status = dev[1].get_status()
if 'wifi_generation' in status:
if status['wifi_generation'] != "4":
raise Exception("Unexpected wifi_generation value(2): " + status['wifi_generation'])
finally:
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
def test_ap_vht_on_24ghz_2(dev, apdev):
"""Subset of VHT features on 2.4 GHz (2)"""
hapd = None
params = {"ssid": "test-vht-2g",
"hw_mode": "g",
"channel": "1",
"ieee80211n": "1",
"ieee80211ac": "1",
"vendor_vht": "1",
"vht_capab": "[MAX-MPDU-11454]",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "1"}
hapd = hostapd.add_ap(apdev[0], params)
try:
if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 bf0cfa048003aaaa0000aaaa0000dd1300904c0400bf0c3240820feaff0000eaff0000"):
raise Exception("Failed to add vendor element")
dev[0].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
sta = hapd.get_sta(dev[0].own_addr())
if '[VHT]' not in sta['flags']:
raise Exception("No VHT STA flag")
dev[1].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
hapd.wait_sta()
sta = hapd.get_sta(dev[1].own_addr())
if '[VENDOR_VHT]' in sta['flags']:
raise Exception("Unexpected VENDOR_VHT STA flag")
if '[VHT]' in sta['flags']:
raise Exception("Unexpected VHT STA flag")
status = dev[0].get_status()
if 'wifi_generation' in status:
if status['wifi_generation'] != "4":
raise Exception("Unexpected wifi_generation value: " + status['wifi_generation'])
status = dev[1].get_status()
if 'wifi_generation' in status:
if status['wifi_generation'] != "4":
raise Exception("Unexpected wifi_generation value(2): " + status['wifi_generation'])
finally:
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
def test_prefer_vht40(dev, apdev):
"""Preference on VHT40 over HT40"""
try:
hapd2 = None
params = {"ssid": "test",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ht_capab": "[HT40+]"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
params = {"ssid": "test",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "[HT40+]",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0"}
hapd2 = hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid, freq=5180)
dev[0].scan_for_bss(bssid2, freq=5180)
dev[0].connect("test", scan_freq="5180", key_mgmt="NONE")
if dev[0].get_status_field('bssid') != bssid2:
raise Exception("Unexpected BSS selected")
est = dev[0].get_bss(bssid)['est_throughput']
if est != "135000":
raise Exception("Unexpected BSS0 est_throughput: " + est)
est = dev[0].get_bss(bssid2)['est_throughput']
if est != "180001":
raise Exception("Unexpected BSS1 est_throughput: " + est)
finally:
dev[0].request("DISCONNECT")
disable_hapd(hapd)
disable_hapd(hapd2)
clear_regdom_dev(dev)
def test_ap_vht80_pwr_constraint(dev, apdev):
"""VHT with 80 MHz channel width and local power constraint"""
hapd = None
try:
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211d": "1",
"local_pwr_constraint": "3",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
dev[0].wait_regdom(country_ie=True)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
def test_ap_vht_use_sta_nsts(dev, apdev):
"""VHT with 80 MHz channel width and use_sta_nsts=1"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42",
"use_sta_nsts": "1"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
clear_regdom(hapd, dev)
def test_ap_vht_tkip(dev, apdev):
"""VHT and TKIP"""
skip_without_tkip(dev[0])
try:
hapd = None
params = {"ssid": "vht",
"wpa": "1",
"wpa_key_mgmt": "WPA-PSK",
"wpa_pairwise": "TKIP",
"wpa_passphrase": "12345678",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect("vht", psk="12345678", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
sig = dev[0].request("SIGNAL_POLL").splitlines()
if "FREQUENCY=5180" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
if "WIDTH=20 MHz (no HT)" not in sig:
raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
status = hapd.get_status()
logger.info("hostapd STATUS: " + str(status))
if status["ieee80211n"] != "0":
raise Exception("Unexpected STATUS ieee80211n value")
if status["ieee80211ac"] != "0":
raise Exception("Unexpected STATUS ieee80211ac value")
if status["secondary_channel"] != "0":
raise Exception("Unexpected STATUS secondary_channel value")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)
def test_ap_vht_40_fallback_to_20(devs, apdevs):
"""VHT and 40 MHz channel configuration falling back to 20 MHz"""
dev = devs[0]
ap = apdevs[0]
try:
hapd = None
params = {"ssid": "test-vht40",
"country_code": "US",
"hw_mode": "a",
"basic_rates": "60 120 240",
"channel": "161",
"ieee80211d": "1",
"ieee80211h": "1",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "[HT40+][SHORT-GI-20][SHORT-GI-40][DSSS_CCK-40]",
"vht_capab": "[RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC1][MAX-MPDU-11454][MAX-A-MPDU-LEN-EXP7]",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "155"}
hapd = hostapd.add_ap(ap, params)
dev.connect("test-vht40", scan_freq="5805", key_mgmt="NONE")
dev.wait_regdom(country_ie=True)
hwsim_utils.test_connectivity(dev, hapd)
finally:
clear_regdom(hapd, devs)
def test_ap_vht80_to_24g_ht(dev, apdev):
"""VHT with 80 MHz channel width reconfigured to 2.4 GHz HT"""
try:
hapd = None
params = {"ssid": "vht",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"vht_oper_chwidth": "1",
"vht_capab": "[MAX-MPDU-11454]",
"vht_oper_centr_freq_seg0_idx": "42"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
hapd.disable()
hapd.set("ieee80211ac", "0")
hapd.set("hw_mode", "g")
hapd.set("channel", "1")
hapd.set("ht_capab", "")
hapd.set("vht_capab", "")
hapd.enable()
dev[0].connect("vht", key_mgmt="NONE", scan_freq="2412")
except Exception as e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
raise HwsimSkip("80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)