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tests: Automatic channel selection with fallback to 20 MHz

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
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Jouni Malinen 2020-03-06 20:50:21 +02:00 committed by Jouni Malinen
parent 2fb59e77b5
commit 72c34d23a4
1 changed files with 23 additions and 0 deletions
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23
tests/hwsim/test_ap_acs.py
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@ -551,3 +551,26 @@ def test_ap_acs_hw_mode_any_5ghz(dev, apdev):
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_with_fallback_to_20(dev, apdev):
"""Automatic channel selection with fallback to 20 MHz"""
force_prev_ap_on_24g(apdev[0])
params = {"ssid": "legacy-20",
"channel": "7", "ieee80211n": "0"}
hostapd.add_ap(apdev[1], params)
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['acs_chan_bias'] = '6:0.1'
params['ht_capab'] = '[HT40+]'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
sig = dev[0].request("SIGNAL_POLL").splitlines()
logger.info("SIGNAL_POLL: " + str(sig))
if "WIDTH=20 MHz" not in sig:
raise Exception("Station did not report 20 MHz bandwidth")