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tests: HT40 OBSS scan and 20/40 MHz co-ex report

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Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-01-31 22:13:23 +02:00
parent e769364b82
commit 084316bfd6
1 changed files with 39 additions and 0 deletions
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39
tests/hwsim/test_ap_ht.py
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@ -9,6 +9,7 @@
import time
import logging
logger = logging.getLogger()
import struct
import hostapd
@ -45,3 +46,41 @@ def test_ap_ht40_scan(dev, apdev):
raise Exception("Unexpected secondary channel")
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
def test_obss_scan(dev, apdev):
"""Overlapping BSS scan request"""
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40-]",
"obss_interval": "10" }
hapd = hostapd.add_ap(apdev[0]['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")