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tests: OBSS scanning report processing

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
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Jouni Malinen 2015-02-03 12:33:51 +02:00 committed by Jouni Malinen
parent d2ca6baa56
commit 2e6085c27b
1 changed files with 63 additions and 0 deletions
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63
tests/hwsim/test_ap_ht.py
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@ -433,6 +433,69 @@ def test_obss_scan_40_intolerant(dev, apdev):
if not received: if not received:
raise Exception("20/40 BSS Coexistence report not seen") raise Exception("20/40 BSS Coexistence report not seen")
def test_obss_coex_report_handling(dev, apdev):
"""Overlapping BSS scan report handling with obss_interval=0"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40-]" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
sec = hapd.get_status_field("secondary_channel")
if sec != "-1":
raise Exception("AP is not using 40 MHz channel")
# 20/40 MHz co-ex report tests: number of invalid reports and a valid report
# that forces 20 MHz channel.
tests = [ '0400', '040048', '04004801', '0400480000', '0400490100',
'040048ff0000', '04004801ff49ff00', '04004801004900',
'0400480100490101', '0400480100490201ff',
'040048010449020005' ]
for msg in tests:
req = "MGMT_TX {} {} freq=2437 action={}".format(bssid, bssid, msg)
if "OK" not in dev[0].request(req):
raise Exception("Could not send management frame")
time.sleep(0.5)
sec = hapd.get_status_field("secondary_channel")
if sec != "0":
raise Exception("AP did not move to 20 MHz channel")
def test_obss_coex_report_handling1(dev, apdev):
"""Overlapping BSS scan report handling with obss_interval=1"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40+]",
"obss_interval": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
sec = hapd.get_status_field("secondary_channel")
if sec != "1":
raise Exception("AP is not using 40 MHz channel")
# 20/40 MHz co-ex report forcing 20 MHz channel
msg = '040048010449020005'
req = "MGMT_TX {} {} freq=2437 action={}".format(bssid, bssid, msg)
if "OK" not in dev[0].request(req):
raise Exception("Could not send management frame")
time.sleep(0.5)
sec = hapd.get_status_field("secondary_channel")
if sec != "0":
raise Exception("AP did not move to 20 MHz channel")
# No 20/40 MHz co-ex reports forcing 20 MHz channel during next interval
for i in range(20):
sec = hapd.get_status_field("secondary_channel")
if sec == "1":
break
time.sleep(0.5)
if sec != "1":
raise Exception("AP did not return to 40 MHz channel")
def test_olbc(dev, apdev): def test_olbc(dev, apdev):
"""OLBC detection""" """OLBC detection"""
params = { "ssid": "test-olbc", params = { "ssid": "test-olbc",