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tests: Extend OBSS scan coverage

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Include another BSS in the scan results and run a test with a 40 MHz
intolerant neighboring BSS.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2014-03-23 23:57:38 +02:00 committed by Jouni Malinen
parent 31ded52e70
commit 0df965e975
1 changed files with 50 additions and 0 deletions
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50
tests/hwsim/test_ap_ht.py
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@ -275,6 +275,56 @@ def test_obss_scan(dev, apdev):
"ht_capab": "[HT40-]", "ht_capab": "[HT40-]",
"obss_interval": "10" } "obss_interval": "10" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params) hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "another-bss",
"channel": "9",
"ieee80211n": "0" }
hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
hapd.set("ext_mgmt_frame_handling", "1")
logger.info("Waiting for OBSS scan to occur")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=15)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan to start")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=10)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan results")
received = False
for i in range(0, 4):
frame = hapd.mgmt_rx(timeout=5)
if frame is None:
raise Exception("MGMT RX wait timed out")
if frame['subtype'] != 13:
continue
payload = frame['payload']
if len(payload) < 3:
continue
(category, action, ie) = struct.unpack('BBB', payload[0:3])
if category != 4:
continue
if action != 0:
continue
if ie == 72:
logger.info("20/40 BSS Coexistence report received")
received = True
break
if not received:
raise Exception("20/40 BSS Coexistence report not seen")
def test_obss_scan_40_intolerant(dev, apdev):
"""Overlapping BSS scan request with 40 MHz intolerant AP"""
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40-]",
"obss_interval": "10" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "another-bss",
"channel": "7",
"ht_capab": "[40-INTOLERANT]" }
hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437") dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
hapd.set("ext_mgmt_frame_handling", "1") hapd.set("ext_mgmt_frame_handling", "1")
logger.info("Waiting for OBSS scan to occur") logger.info("Waiting for OBSS scan to occur")