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tests: WMM IE contents in FCC and ETSI

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-02-02 22:47:33 +02:00
parent 16b789eefc
commit 99fdc0413b
1 changed files with 64 additions and 0 deletions
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64
tests/hwsim/test_ap_ht.py
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@ -1523,3 +1523,67 @@ def test_ap_ht40_disable(dev, apdev):
logger.info("SIGNAL_POLL: " + str(sig))
if "WIDTH=20 MHz" not in sig:
raise Exception("Station did not report 20 MHz bandwidth")
def test_ap_ht_wmm_etsi(dev, apdev):
"""HT and WMM contents in ETSI"""
run_ap_ht_wmm(dev, apdev, "FI")
def test_ap_ht_wmm_fcc(dev, apdev):
"""HT and WMM contents in FCC"""
run_ap_ht_wmm(dev, apdev, "US")
def run_ap_ht_wmm(dev, apdev, country):
clear_scan_cache(apdev[0])
try:
hapd = None
params = {"ssid": "test",
"hw_mode": "a",
"channel": "36",
"country_code": country}
hapd = hostapd.add_ap(apdev[0], params)
freq = hapd.get_status_field("freq")
bssid = hapd.own_addr()
dev[0].connect("test", key_mgmt="NONE", scan_freq=freq)
bss = dev[0].get_bss(bssid)
ie = parse_ie(bss['ie'])
if 221 not in ie:
raise Exception("Could not find WMM IE")
wmm = ie[221]
if len(wmm) != 24:
raise Exception("Unexpected WMM IE length")
id, subtype, version, info, reserved = struct.unpack('>LBBBB', wmm[0:8])
if id != 0x0050f202 or subtype != 1 or version != 1:
raise Exception("Not a WMM IE")
ac = []
for i in range(4):
ac.append(struct.unpack('<BBH', wmm[8 + i * 4: 12 + i * 4]))
logger.info("WMM AC info: " + str(ac))
aifsn = (ac[0][0] & 0x0f, ac[1][0] & 0x0f,
ac[2][0] & 0x0f, ac[3][0] & 0x0f)
logger.info("AIFSN: " + str(aifsn))
if aifsn != (3, 7, 2, 2):
raise Exception("Unexpected AIFSN value: " + str(aifsn))
ecw_min = (ac[0][1] & 0x0f, ac[1][1] & 0x0f,
ac[2][1] & 0x0f, ac[3][1] & 0x0f)
logger.info("ECW min: " + str(ecw_min))
if ecw_min != (4, 4, 3, 2):
raise Exception("Unexpected ECW min value: " + str(ecw_min))
ecw_max = ((ac[0][1] & 0xf0) >> 4, (ac[1][1] & 0xf0) >> 4,
(ac[2][1] & 0xf0) >> 4, (ac[3][1] & 0xf0) >> 4)
logger.info("ECW max: " + str(ecw_max))
if ecw_max != (10, 10, 4, 3):
raise Exception("Unexpected ECW max value: " + str(ecw_max))
txop = (ac[0][2], ac[1][2], ac[2][2], ac[3][2])
logger.info("TXOP: " + str(txop))
if txop != (0, 0, 94, 47):
raise Exception("Unexpected TXOP value: " + str(txop))
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
set_world_reg(apdev[0], None, dev[0])
dev[0].flush_scan_cache()