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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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c3b18c44e0
During investigation another separate crash was found. The original is caused by a disconnect event coming in after a neighbor report scan was completed (roam failed) during the full roam scan. The second crash is caused by a disconnect coming in during a full roam scan when no neighbor report scan was ever issued.
102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
#! /usr/bin/python3
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import unittest
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import sys, os
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sys.path.append('../util')
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from iwd import IWD
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from iwd import NetworkType
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from hwsim import Hwsim
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from hostapd import HostapdCLI
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class Test(unittest.TestCase):
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#
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# Tests a crash reported where multiple roam scans combined with an AP
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# disconnect result in a crash getting scan results.
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#
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def validate(self):
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wd = IWD(True)
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device = wd.list_devices(1)[0]
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ordered_network = device.get_ordered_network('TestFT', full_scan=True)
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self.assertEqual(ordered_network.type, NetworkType.psk)
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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device.connect_bssid(self.bss_hostapd[0].bssid)
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condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_condition(device, condition)
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# Since both BSS's have low signal, the roam should fail and trigger
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# another roam scan.
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device.wait_for_event('no-roam-candidates', timeout=30)
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device.wait_for_event('roam-scan-triggered', timeout=30)
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# Hostapd sends disconnect
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self.bss_hostapd[0].disable()
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# IWD should recover, and not crash
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condition = 'obj.state == DeviceState.disconnected'
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wd.wait_for_object_condition(device, condition)
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def test_ap_disconnect_no_neighbors(self):
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self.validate()
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def test_ap_disconnect_neighbors(self):
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self.bss_hostapd[0].set_neighbor('12:00:00:00:00:02', 'TestFT',
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'1200000000028f0000005102060603000000')
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self.bss_hostapd[1].set_neighbor('12:00:00:00:00:01', 'TestFT',
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'1200000000018f0000005101060603000000')
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self.validate()
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def setUp(self):
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self.bss_hostapd[0].reload()
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self.bss_hostapd[0].wait_for_event("AP-ENABLED")
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def tearDown(self):
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os.system('ip link set "' + self.bss_hostapd[0].ifname + '" down')
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os.system('ip link set "' + self.bss_hostapd[1].ifname + '" down')
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os.system('ip link set "' + self.bss_hostapd[0].ifname + '" up')
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os.system('ip link set "' + self.bss_hostapd[1].ifname + '" up')
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self.bss_hostapd[0].remove_neighbor(self.bss_hostapd[1].bssid)
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self.bss_hostapd[1].remove_neighbor(self.bss_hostapd[0].bssid)
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@classmethod
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def setUpClass(cls):
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hwsim = Hwsim()
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IWD.copy_to_storage('TestFT.psk')
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cls.bss_hostapd = [ HostapdCLI(config='ft-psk-ccmp-1.conf'),
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HostapdCLI(config='ft-psk-ccmp-2.conf') ]
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cls.bss_hostapd[1].disable()
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cls.bss_hostapd[0].set_value('ocv', '0')
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cls.bss_hostapd[0].set_value('ieee80211w', '0')
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cls.rule0 = hwsim.rules.create()
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cls.rule0.source = 'any'
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cls.rule0.bidirectional = True
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cls.rule0.signal = -8000
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cls.rule0.enabled = True
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# Set interface addresses to those expected by hostapd config files
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os.system('ip link set dev "' + cls.bss_hostapd[0].ifname + '" down')
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os.system('ip link set dev "' + cls.bss_hostapd[0].ifname + '" addr 12:00:00:00:00:01 up')
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os.system('ip link set dev "' + cls.bss_hostapd[1].ifname + '" down')
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os.system('ip link set dev "' + cls.bss_hostapd[1].ifname + '" addr 12:00:00:00:00:02 up')
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@classmethod
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def tearDownClass(cls):
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IWD.clear_storage()
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cls.bss_hostapd = None
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cls.rule0.remove()
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if __name__ == '__main__':
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unittest.main(exit=True)
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