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tests: Verify DFS channel switch both in and outside ETSI

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The behavior will be different based on the uniform spreading
requirement.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-05-13 20:01:06 +03:00
parent e8e430fe7a
commit 9cd52ac356
1 changed files with 72 additions and 3 deletions
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75
tests/hwsim/test_dfs.py
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@ -28,12 +28,12 @@ def wait_dfs_event(hapd, event, timeout):
def start_dfs_ap(ap, allow_failure=False, ssid="dfs", ht=True, ht40=False, def start_dfs_ap(ap, allow_failure=False, ssid="dfs", ht=True, ht40=False,
ht40minus=False, vht80=False, vht20=False, chanlist=None, ht40minus=False, vht80=False, vht20=False, chanlist=None,
channel=None): channel=None, country="FI"):
ifname = ap['ifname'] ifname = ap['ifname']
logger.info("Starting AP " + ifname + " on DFS channel") logger.info("Starting AP " + ifname + " on DFS channel")
hapd = hostapd.add_ap(ap, {}, no_enable=True) hapd = hostapd.add_ap(ap, {}, no_enable=True)
hapd.set("ssid", ssid) hapd.set("ssid", ssid)
hapd.set("country_code", "FI") hapd.set("country_code", country)
hapd.set("ieee80211d", "1") hapd.set("ieee80211d", "1")
hapd.set("ieee80211h", "1") hapd.set("ieee80211h", "1")
hapd.set("hw_mode", "a") hapd.set("hw_mode", "a")
@ -85,7 +85,7 @@ def test_dfs(dev, apdev):
"""DFS CAC functionality on clear channel""" """DFS CAC functionality on clear channel"""
try: try:
hapd = None hapd = None
hapd = start_dfs_ap(apdev[0], allow_failure=True) hapd = start_dfs_ap(apdev[0], allow_failure=True, country="US")
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70) ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev: if "success=1" not in ev:
@ -134,6 +134,75 @@ def test_dfs(dev, apdev):
subprocess.call(['iw', 'reg', 'set', '00']) subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache() dev[0].flush_scan_cache()
def test_dfs_etsi(dev, apdev, params):
"""DFS and uniform spreading requirement for ETSI [long]"""
if not params['long']:
raise HwsimSkip("Skip test case with long duration due to --long not specified")
try:
hapd = None
hapd = start_dfs_ap(apdev[0], allow_failure=True)
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed")
if "freq=5260" not in ev:
raise Exception("Unexpected DFS freq result")
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state")
freq = hapd.get_status_field("freq")
if freq != "5260":
raise Exception("Unexpected frequency")
dev[0].connect("dfs", key_mgmt="NONE")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("RADAR DETECTED freq=%s ht_enabled=1 chan_width=1" % freq)
ev = hapd.wait_event(["DFS-RADAR-DETECTED"], timeout=5)
if ev is None:
raise Exception("DFS-RADAR-DETECTED event not reported")
if "freq=%s" % freq not in ev:
raise Exception("Incorrect frequency in radar detected event: " + ev)
ev = hapd.wait_event(["DFS-NEW-CHANNEL"], timeout=5)
if ev is None:
raise Exception("DFS-NEW-CHANNEL event not reported")
if "freq=%s" % freq in ev:
raise Exception("Channel did not change after radar was detected")
ev = hapd.wait_event(["AP-CSA-FINISHED", "DFS-CAC-START"], timeout=10)
if ev is None:
raise Exception("AP-CSA-FINISHED or DFS-CAC-START event not reported")
if "DFS-CAC-START" in ev:
# The selected new channel requires CAC
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed")
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=30)
if not ev:
raise Exception("STA did not reconnect on new DFS channel")
else:
# The new channel did not require CAC - try again
if "freq=%s" % freq in ev:
raise Exception("Channel did not change after radar was detected(2)")
time.sleep(1)
hwsim_utils.test_connectivity(dev[0], hapd)
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def test_dfs_radar(dev, apdev): def test_dfs_radar(dev, apdev):
"""DFS CAC functionality with radar detected""" """DFS CAC functionality with radar detected"""
try: try: