From 72c34d23a44f46a664f118a8011b0cb793119b70 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Fri, 6 Mar 2020 20:50:21 +0200 Subject: [PATCH] tests: Automatic channel selection with fallback to 20 MHz Signed-off-by: Jouni Malinen --- tests/hwsim/test_ap_acs.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tests/hwsim/test_ap_acs.py b/tests/hwsim/test_ap_acs.py index 866fd725c..ed05c903a 100644 --- a/tests/hwsim/test_ap_acs.py +++ b/tests/hwsim/test_ap_acs.py @@ -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")