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tests: Roam between two WPA2-PSK APs and try to hit a disconnection race

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This is a regression test case for hostapd bug where the
disconnection/deauthentication TX status callback timeout could be
forgotten after new association if no ACK frame was received and the STA
managed to reconnect within two seconds.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2016-01-15 19:16:07 +02:00 committed by Jouni Malinen
parent 03269d558a
commit 5a38a7fe43
1 changed files with 20 additions and 0 deletions
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20
tests/hwsim/test_ap_roam.py
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@ -65,3 +65,23 @@ def test_ap_roam_set_bssid(dev, apdev):
dev[0].set_network(id, "bssid", "") dev[0].set_network(id, "bssid", "")
dev[0].set_network(id, "bssid", apdev[0]['bssid']) dev[0].set_network(id, "bssid", apdev[0]['bssid'])
dev[0].set_network(id, "bssid", apdev[1]['bssid']) dev[0].set_network(id, "bssid", apdev[1]['bssid'])
def test_ap_roam_wpa2_psk_race(dev, apdev):
"""Roam between two WPA2-PSK APs and try to hit a disconnection race"""
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
hapd0 = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd0)
params['channel'] = '2'
hapd1 = hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].scan_for_bss(apdev[1]['bssid'], freq=2417)
dev[0].roam(apdev[1]['bssid'])
hwsim_utils.test_connectivity(dev[0], hapd1)
dev[0].roam(apdev[0]['bssid'])
hwsim_utils.test_connectivity(dev[0], hapd0)
# Wait at least two seconds to trigger the previous issue with the
# disconnection callback.
for i in range(3):
time.sleep(0.8)
hwsim_utils.test_connectivity(dev[0], hapd0)