196 lines
6.6 KiB
Python
196 lines
6.6 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 HwsimSkip
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def connect(dev, apdev, **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="2412")
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return ap
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def switch_channel(ap, count, freq):
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ap.request("CHAN_SWITCH " + str(count) + " " + str(freq))
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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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# This function checks whether the provided dev, which may be either
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# WpaSupplicant or Hostapd supports CSA.
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def csa_supported(dev):
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res = dev.get_driver_status()
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if (int(res['capa.flags'], 0) & 0x80000000) == 0:
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raise HwsimSkip("CSA not supported")
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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)
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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)
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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)
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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)
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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)
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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)
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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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