ae1a9909e0
Add a test behaving like an Asus RT-AC53 with firmware 3.0.0.4.380_10760-g21a5898, which (in some cases?) can have an ECSA element stuck in the probe response, when the channel switch is long finished. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
276 lines
9.7 KiB
Python
276 lines
9.7 KiB
Python
# AP CSA tests
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# Copyright (c) 2013, Luciano Coelho <luciano.coelho@intel.com>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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from remotehost import remote_compatible
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import time
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import logging
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logger = logging.getLogger()
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import hwsim_utils
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import hostapd
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from utils import *
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def connect(dev, apdev, scan_freq="2412", **kwargs):
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params = {"ssid": "ap-csa",
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"channel": "1"}
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params.update(kwargs)
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ap = hostapd.add_ap(apdev[0], params)
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dev.connect("ap-csa", key_mgmt="NONE", scan_freq=scan_freq)
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return ap
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def switch_channel(ap, count, freq, extra=None):
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cmd = "CHAN_SWITCH " + str(count) + " " + str(freq)
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if extra:
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cmd += " " + extra
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ap.request(cmd)
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ev = ap.wait_event(["CTRL-EVENT-STARTED-CHANNEL-SWITCH"], timeout=10)
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if ev is None:
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raise Exception("Channel switch start event not seen")
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if "freq=" + str(freq) not in ev:
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raise Exception("Unexpected channel in CS started event")
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ev = ap.wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=10)
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if ev is None:
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raise Exception("Channel switch completed event not seen")
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if "freq=" + str(freq) not in ev:
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raise Exception("Unexpected channel in CS completed event")
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ev = ap.wait_event(["AP-CSA-FINISHED"], timeout=10)
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if ev is None:
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raise Exception("CSA finished event timed out")
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if "freq=" + str(freq) not in ev:
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raise Exception("Unexpected channel in CSA finished event")
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def wait_channel_switch(dev, freq):
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ev = dev.wait_event(["CTRL-EVENT-STARTED-CHANNEL-SWITCH"], timeout=5)
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if ev is None:
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raise Exception("Channel switch start not reported")
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if "freq=%d" % freq not in ev:
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raise Exception("Unexpected frequency in channel switch started: " + ev)
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ev = dev.wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=5)
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if ev is None:
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raise Exception("Channel switch not reported")
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if "freq=%d" % freq not in ev:
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raise Exception("Unexpected frequency: " + ev)
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ev = dev.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected disconnection on channel switch")
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@remote_compatible
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def test_ap_csa_1_switch(dev, apdev):
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"""AP Channel Switch, one switch"""
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csa_supported(dev[0])
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freq = int(dev[0].get_driver_status_field("freq"))
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if freq != 0:
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raise Exception("Unexpected driver freq=%d in beginning" % freq)
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ap = connect(dev[0], apdev)
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freq = int(dev[0].get_driver_status_field("freq"))
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if freq != 2412:
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raise Exception("Unexpected driver freq=%d after association" % freq)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 10, 2462, extra="ht")
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wait_channel_switch(dev[0], 2462)
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hwsim_utils.test_connectivity(dev[0], ap)
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freq = int(dev[0].get_driver_status_field("freq"))
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if freq != 2462:
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raise Exception("Unexpected driver freq=%d after channel switch" % freq)
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dev[0].request("DISCONNECT")
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dev[0].wait_disconnected()
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freq = int(dev[0].get_driver_status_field("freq"))
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if freq != 0:
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raise Exception("Unexpected driver freq=%d after disconnection" % freq)
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@remote_compatible
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def test_ap_csa_2_switches(dev, apdev):
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"""AP Channel Switch, two switches"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 10, 2462, extra="ht")
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wait_channel_switch(dev[0], 2462)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 10, 2412, extra="ht")
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wait_channel_switch(dev[0], 2412)
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hwsim_utils.test_connectivity(dev[0], ap)
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@remote_compatible
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def test_ap_csa_1_switch_count_0(dev, apdev):
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"""AP Channel Switch, one switch with count 0"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 0, 2462)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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@remote_compatible
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def test_ap_csa_2_switches_count_0(dev, apdev):
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"""AP Channel Switch, two switches with count 0"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 0, 2462)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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switch_channel(ap, 0, 2412)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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@remote_compatible
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def test_ap_csa_1_switch_count_1(dev, apdev):
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"""AP Channel Switch, one switch with count 1"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 1, 2462)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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@remote_compatible
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def test_ap_csa_2_switches_count_1(dev, apdev):
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"""AP Channel Switch, two switches with count 1"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 1, 2462)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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switch_channel(ap, 1, 2412)
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# this does not result in CSA currently, so do not bother checking
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# connectivity
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@remote_compatible
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def test_ap_csa_1_switch_count_2(dev, apdev):
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"""AP Channel Switch, one switch with count 2"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 2, 2462, extra="ht")
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wait_channel_switch(dev[0], 2462)
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hwsim_utils.test_connectivity(dev[0], ap)
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@remote_compatible
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def test_ap_csa_ecsa_only(dev, apdev):
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"""AP Channel Switch, one switch with only ECSA IE"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev, ecsa_ie_only="1")
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hwsim_utils.test_connectivity(dev[0], ap)
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switch_channel(ap, 10, 2462, extra="ht")
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wait_channel_switch(dev[0], 2462)
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hwsim_utils.test_connectivity(dev[0], ap)
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@remote_compatible
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def test_ap_csa_invalid(dev, apdev):
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"""AP Channel Switch - invalid channel"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev)
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vals = [2461, 4900, 4901, 5181, 5746, 5699, 5895, 5899]
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for val in vals:
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if "FAIL" not in ap.request("CHAN_SWITCH 1 %d" % val):
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raise Exception("Invalid channel accepted: %d" % val)
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def test_ap_csa_disable(dev, apdev):
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"""AP Channel Switch and DISABLE command before completion"""
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csa_supported(dev[0])
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ap = connect(dev[0], apdev, scan_freq="2412 2462")
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if "OK" not in ap.request("CHAN_SWITCH 10 2462"):
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raise Exception("CHAN_SWITCH failed")
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ap.disable()
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ap.enable()
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dev[0].wait_disconnected()
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dev[0].wait_connected()
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def _assoc_while_csa(dev, apdev, freq_to, blocktx):
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params = {
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"ssid": "ap-csa",
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"hw_mode": "a",
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"country_code": "FI",
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"channel": "36",
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"ieee80211n": "0",
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}
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ap = hostapd.add_ap(apdev[0], params)
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count = 100 if blocktx else 20
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delay = 1 + count / 10
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cmd = f"CHAN_SWITCH {count} {freq_to}"
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if blocktx:
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cmd += " blocktx"
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ap.request(cmd)
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ev = ap.wait_event(["CTRL-EVENT-STARTED-CHANNEL-SWITCH"], timeout=10)
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if ev is None:
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raise Exception("Channel switch start event not seen")
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if f"freq={freq_to}" not in ev:
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raise Exception("Unexpected channel in CS started event")
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try:
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dev[0].connect("ap-csa", key_mgmt="NONE", scan_freq="5180",
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wait_connect=False)
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if blocktx or freq_to != 5180:
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ev = dev[0].wait_event(["CTRL-EVENT-SSID-TEMP-DISABLED",
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"CTRL-EVENT-CONNECTED"], timeout=9)
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if not ev: # this is fine, at least we didn't connect
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return
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if not "CTRL-EVENT-SSID-TEMP-DISABLED" in ev:
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raise Exception("Erroneously connected!")
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if not 'auth_failures=1' in ev:
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raise Exception(f'Should have auth failures in "{ev}"')
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# wait for CSA to finish and connect then
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time.sleep(delay)
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dev[0].connect("ap-csa", key_mgmt="NONE", scan_freq=str(freq_to))
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else:
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dev[0].wait_connected()
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if freq_to != 5180:
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wait_channel_switch(dev[0], freq_to)
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finally:
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dev[0].request("DISCONNECT")
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dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
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clear_regdom(ap, dev)
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@long_duration_test
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def test_assoc_while_csa_same_blocktx(dev, apdev):
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"""Check we don't associate while AP is doing quiet CSA (same channel)"""
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_assoc_while_csa(dev, apdev, 5180, True)
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def test_assoc_while_csa_same(dev, apdev):
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"""Check we _do_ associate while AP is doing CSA (same channel)"""
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_assoc_while_csa(dev, apdev, 5180, False)
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@long_duration_test
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def test_assoc_while_csa_diff_blocktx(dev, apdev):
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"""Check we don't associate while AP is doing quiet CSA (different channel)"""
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_assoc_while_csa(dev, apdev, 5200, True)
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@long_duration_test
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def test_assoc_while_csa_diff(dev, apdev):
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"""Check we don't associate while AP is doing CSA (different channel)"""
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_assoc_while_csa(dev, apdev, 5200, False)
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def test_ap_stuck_ecsa(dev, apdev):
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"""ECSA element stuck in Probe Response frame"""
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# Test behaving like an Asus RT-AC53, firmware 3.0.0.4.380_10760-g21a5898,
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# which has stuck ECSA element in the Probe Response frames.
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try:
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ap = connect(dev[0], apdev, scan_freq=None,
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hw_mode='a', channel='36',
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country_code='FI',
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presp_elements="3c0401732409")
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ap.wait_sta()
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hwsim_utils.test_connectivity(dev[0], ap)
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finally:
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dev[0].request("DISCONNECT")
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dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
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clear_regdom(ap, dev)
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