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tests: Make WNM test case scan clearing more robust

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There was a race condition on starting the flush_scan_cache() operations
if a scan happened to be in progress when the test case ended since the
ABORT_SCAN success case did not wait for the pending scan operation to
be completed. Wait for the scan completion event in addition to the
disconnection event if the ABORT_SCAN command is accepted.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-03-13 23:32:31 +02:00 committed by Jouni Malinen
parent 673631b8a3
commit 86db4e63d3
1 changed files with 11 additions and 5 deletions
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16
tests/hwsim/test_wnm.py
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@ -28,8 +28,10 @@ def clear_regdom_state(dev, hapd, hapd2):
if hapd2:
hapd2.request("DISABLE")
dev[0].request("DISCONNECT")
dev[0].request("ABORT_SCAN")
dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
res = dev[0].request("ABORT_SCAN")
for i in range(2 if "OK" in res else 1):
dev[0].wait_event(["CTRL-EVENT-DISCONNECTED",
"CTRL-EVENT-SCAN-RESULTS"], timeout=0.5)
dev[0].dump_monitor()
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
@ -1136,11 +1138,13 @@ def stop_wnm_tm(hapd, dev):
hapd.request("DISABLE")
time.sleep(0.1)
dev[0].request("DISCONNECT")
dev[0].request("ABORT_SCAN")
res = dev[0].request("ABORT_SCAN")
try:
dev[0].wait_disconnected()
except:
pass
if "OK" in res:
dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=0.5)
subprocess.call(['iw', 'reg', 'set', '00'])
wait_regdom_changes(dev[0])
country = dev[0].get_driver_status_field("country")
@ -1881,8 +1885,10 @@ def test_wnm_bss_tm_reject(dev, apdev):
if hapd:
hapd.request("DISABLE")
dev[0].request("DISCONNECT")
dev[0].request("ABORT_SCAN")
dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
res = dev[0].request("ABORT_SCAN")
for i in range(2 if "OK" in res else 1):
dev[0].wait_event(["CTRL-EVENT-DISCONNECTED",
"CTRL-EVENT-SCAN-RESULTS"], timeout=0.5)
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()