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(["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")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].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="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)
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 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_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(["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")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].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="5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5200 center_freq1=5200 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)
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 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_ht40_csa(dev, apdev):
"""HT with 40 MHz channel width and CSA"""
csa_supported(dev[0])
try:
hapd = None
params = {
"ssid": "ht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1"
}
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("ht", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request(
"CHAN_SWITCH 5 5200 ht sec_channel_offset=-1 bandwidth=40")
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-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected STA disconnection during CSA")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5180 ht sec_channel_offset=1 bandwidth=40")
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")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected STA disconnection during CSA")
hwsim_utils.test_connectivity(dev[0], hapd)
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def test_ap_ht40_csa3(dev, apdev):
"""HT with 40 MHz channel width and CSA"""
csa_supported(dev[0])
try:
hapd = None
params = { "ssid": "ht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("ht", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5240 ht sec_channel_offset=-1 bandwidth=40")
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
if ev is None:
raise Exception("CSA finished event timed out")
if "freq=5240" not in ev:
raise Exception("Unexpected channel in CSA finished event")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected STA disconnection during CSA")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("CHAN_SWITCH 5 5180 ht sec_channel_offset=1 bandwidth=40")
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")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected STA disconnection during CSA")
hwsim_utils.test_connectivity(dev[0], hapd)
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def test_he80_csa(dev, apdev):
"""HE with 80 MHz channel width and CSA"""
csa_supported(dev[0])
try:
hapd = None
params = {
"ssid": "he",
"country_code": "US",
"hw_mode": "a",
"channel": "149",
"ht_capab": "[HT40+]",
"ieee80211n": "1",
"ieee80211ac": "1",
"ieee80211ax": "1",
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "155",
"he_oper_chwidth": "1",
"he_oper_centr_freq_seg0_idx": "155"
}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("he", key_mgmt="NONE", scan_freq="5745")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request(
"CHAN_SWITCH 5 5180 ht vht he 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 he_supported():
raise HwsimSkip(
"80 MHz channel not supported in regulatory information")
raise
finally:
dev[0].request("DISCONNECT")
clear_regdom(hapd, dev)
