def test_ap_dtim_period(dev, apdev):
"""DTIM period configuration"""
ssid = "dtim-period"
params = {'ssid': ssid, 'dtim_period': "10"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
for i in range(10):
dev[0].scan(freq="2412")
bss = dev[0].get_bss(bssid)
if 'beacon_ie' in bss:
break
time.sleep(0.2)
if 'beacon_ie' not in bss:
raise Exception("Did not find Beacon IEs")
ie = parse_ie(bss['beacon_ie'])
if 5 not in ie:
raise Exception("TIM element missing")
count, period = struct.unpack('BB', ie[5][0:2])
logger.info("DTIM count %d DTIM period %d" % (count, period))
if period != 10:
raise Exception("Unexpected DTIM period: %d" % period)
if count >= period:
raise Exception("Unexpected DTIM count: %d" % count)
def _test_ap_track_sta_no_probe_resp(dev, apdev):
dev[0].flush_scan_cache()
params = {"ssid": "track",
"country_code": "US",
"hw_mode": "g",
"channel": "6",
"beacon_int": "10000",
"no_probe_resp_if_seen_on": apdev[1]['ifname']}
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
params = {"ssid": "track",
"country_code": "US",
"hw_mode": "a",
"channel": "40",
"track_sta_max_num": "100"}
hapd2 = hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
dev[0].scan(freq=2437, type="ONLY")
dev[0].scan(freq=2437, type="ONLY")
bss = dev[0].get_bss(bssid)
if bss:
ie = parse_ie(bss['ie'])
# Check whether this is from a Beacon frame (TIM element included) since
# it is possible that a Beacon frame was received during the active
# scan. This test should fail only if a Probe Response frame was
# received.
if 5 not in ie:
raise Exception("2.4 GHz AP found unexpectedly")
def test_ap_dtim_period(dev, apdev):
"""DTIM period configuration"""
ssid = "dtim-period"
params = {'ssid': ssid, 'dtim_period': "10"}
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
for i in range(10):
dev[0].scan(freq="2412")
bss = dev[0].get_bss(bssid)
if 'beacon_ie' in bss:
break
time.sleep(0.2)
if 'beacon_ie' not in bss:
raise Exception("Did not find Beacon IEs")
ie = parse_ie(bss['beacon_ie'])
if 5 not in ie:
raise Exception("TIM element missing")
count, period = struct.unpack('BB', ie[5][0:2])
logger.info("DTIM count %d DTIM period %d" % (count, period))
if period != 10:
raise Exception("Unexpected DTIM period: %d" % period)
if count >= period:
raise Exception("Unexpected DTIM count: %d" % count)
def run_op_class(dev, apdev, hw_mode, channel, country, ht_capab, sec_chan,
freq, opclass):
clear_scan_cache(apdev[0])
try:
params = { "ssid": "test-ht40",
"hw_mode": hw_mode,
"channel": channel,
"ht_capab": ht_capab }
if country:
params['country_code'] = country
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-DISABLED", "AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup failure timed out")
if "AP-DISABLED" in ev:
raise HwsimSkip("Channel not supported")
sec = hapd.get_status_field("secondary_channel")
if sec != sec_chan:
raise Exception("Unexpected secondary_channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
bss = dev[0].get_bss(hapd.own_addr())
ie = parse_ie(bss['ie'])
if 59 not in ie:
raise Exception("Missing Supported Operating Classes element")
rx_opclass, = struct.unpack('B', ie[59][0:1])
if rx_opclass != opclass:
raise Exception("Unexpected operating class: %d" % rx_opclass)
finally:
set_world_reg(apdev[0], None, None)
def run_op_class(dev, apdev, hw_mode, channel, country, ht_capab, sec_chan,
freq, opclass):
clear_scan_cache(apdev[0])
try:
params = { "ssid": "test-ht40",
"hw_mode": hw_mode,
"channel": channel,
"ht_capab": ht_capab }
if country:
params['country_code'] = country
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-DISABLED", "AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup failure timed out")
if "AP-DISABLED" in ev:
raise HwsimSkip("Channel not supported")
sec = hapd.get_status_field("secondary_channel")
if sec != sec_chan:
raise Exception("Unexpected secondary_channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
bss = dev[0].get_bss(hapd.own_addr())
ie = parse_ie(bss['ie'])
if 59 not in ie:
raise Exception("Missing Supported Operating Classes element")
rx_opclass, = struct.unpack('B', ie[59][0:1])
if rx_opclass != opclass:
raise Exception("Unexpected operating class: %d" % rx_opclass)
finally:
set_world_reg(apdev[0], None, None)
def _test_ap_track_sta_no_probe_resp(dev, bssid, bssid2):
dev[0].flush_scan_cache()
dev[0].scan_for_bss(bssid2, freq=5200, force_scan=True)
dev[1].scan_for_bss(bssid, freq=2437, force_scan=True)
dev[0].scan(freq=2437, type="ONLY")
dev[0].scan(freq=2437, type="ONLY")
bss = dev[0].get_bss(bssid)
if bss:
ie = parse_ie(bss['ie'])
# Check whether this is from a Beacon frame (TIM element included) since
# it is possible that a Beacon frame was received during the active
# scan. This test should fail only if a Probe Response frame was
# received.
if 5 not in ie:
raise Exception("2.4 GHz AP found unexpectedly")
