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tests: Scan on DFS channels

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This is a test case for mac80211 behavior regarding active scanning on
DFS channels.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-11-26 19:24:25 +02:00 • committed by Jouni Malinen
parent a74a1e4eab
commit f9bf222552
1 changed files with 41 additions and 0 deletions
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41
tests/hwsim/test_scan.py
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@ -905,3 +905,44 @@ def test_scan_bss_expiration_on_ssid_change(dev, apdev):
raise Exception("The BSS entry with the old SSID was not removed") raise Exception("The BSS entry with the old SSID was not removed")
dev[0].request("DISCONNECT") dev[0].request("DISCONNECT")
dev[0].wait_disconnected() dev[0].wait_disconnected()
def test_scan_dfs(dev, apdev, params):
"""Scan on DFS channels"""
try:
_test_scan_dfs(dev, apdev, params)
finally:
subprocess.call(['iw', 'reg', 'set', '00'])
def _test_scan_dfs(dev, apdev, params):
subprocess.call(['iw', 'reg', 'set', 'US'])
for i in range(2):
for j in range(5):
ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
if ev is None:
raise Exception("No regdom change event")
if "alpha2=US" in ev:
break
dev[i].dump_monitor()
if "OK" not in dev[0].request("SCAN"):
raise Exception("SCAN command failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
if ev is None:
raise Exception("Scan did not complete")
if "OK" not in dev[0].request("SCAN freq=2412,5180,5260,5500,5600,5745"):
raise Exception("SCAN command failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
if ev is None:
raise Exception("Scan did not complete")
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"wlan.fc.type_subtype == 4", [ "radiotap.channel.freq" ])
if out is not None:
freq = out.splitlines()
freq = list(set(freq))
logger.info("Active scan seen on channels: " + str(freq))
for ff in freq:
f = int(ff)
if (f >= 5260 and f <= 5320) or (f >= 5500 and f <= 5700):
raise Exception("Active scan on DFS channel: %d" % f)