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tests: WNM BSS Transition Management and scan behavior

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2016-02-26 17:18:39 +02:00 committed by Jouni Malinen
parent 0645492e7c
commit 13a17a77a4
1 changed files with 116 additions and 0 deletions
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116
tests/hwsim/test_wnm.py
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@ -556,6 +556,122 @@ def test_wnm_bss_tm(dev, apdev):
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def test_wnm_bss_tm_scan_not_needed(dev, apdev):
"""WNM BSS Transition Management and scan not needed"""
try:
hapd = None
hapd2 = None
params = { "ssid": "test-wnm",
"country_code": "FI",
"ieee80211d": "1",
"hw_mode": "g",
"channel": "1",
"bss_transition": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "test-wnm",
"country_code": "FI",
"ieee80211d": "1",
"hw_mode": "a",
"channel": "36",
"bss_transition": "1" }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].scan_for_bss(apdev[1]['bssid'], 5180)
id = dev[0].connect("test-wnm", key_mgmt="NONE",
bssid=apdev[0]['bssid'], scan_freq="2412")
dev[0].set_network(id, "scan_freq", "")
dev[0].set_network(id, "bssid", "")
addr = dev[0].own_addr()
dev[0].dump_monitor()
logger.info("Preferred Candidate List (matching neighbor for another BSS) without Disassociation Imminent")
if "OK" not in hapd.request("BSS_TM_REQ " + addr + " pref=1 abridged=1 valid_int=255 neighbor=" + apdev[1]['bssid'] + ",0x0000,115,36,7,0301ff"):
raise Exception("BSS_TM_REQ command failed")
ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
if ev is None:
raise Exception("No BSS Transition Management Response")
if "status_code=0" not in ev:
raise Exception("BSS transition request was not accepted: " + ev)
if "target_bssid=" + apdev[1]['bssid'] not in ev:
raise Exception("Unexpected target BSS: " + ev)
dev[0].wait_connected(timeout=15, error="No reassociation seen")
if apdev[1]['bssid'] not in ev:
raise Exception("Unexpected reassociation target: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=0.1)
if ev is not None:
raise Exception("Unexpected scan started")
dev[0].dump_monitor()
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
if hapd2:
hapd2.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def test_wnm_bss_tm_scan_needed(dev, apdev):
"""WNM BSS Transition Management and scan needed"""
try:
hapd = None
hapd2 = None
params = { "ssid": "test-wnm",
"country_code": "FI",
"ieee80211d": "1",
"hw_mode": "g",
"channel": "1",
"bss_transition": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "test-wnm",
"country_code": "FI",
"ieee80211d": "1",
"hw_mode": "a",
"channel": "36",
"bss_transition": "1" }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].scan_for_bss(apdev[1]['bssid'], 5180)
id = dev[0].connect("test-wnm", key_mgmt="NONE",
bssid=apdev[0]['bssid'], scan_freq="2412")
dev[0].set_network(id, "scan_freq", "")
dev[0].set_network(id, "bssid", "")
addr = dev[0].own_addr()
dev[0].dump_monitor()
logger.info("Wait 11 seconds for the last scan result to be too old, but still present in BSS table")
time.sleep(11)
logger.info("Preferred Candidate List (matching neighbor for another BSS) without Disassociation Imminent")
if "OK" not in hapd.request("BSS_TM_REQ " + addr + " pref=1 abridged=1 valid_int=255 neighbor=" + apdev[1]['bssid'] + ",0x0000,115,36,7,0301ff"):
raise Exception("BSS_TM_REQ command failed")
ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
if ev is None:
raise Exception("No BSS Transition Management Response")
if "status_code=0" not in ev:
raise Exception("BSS transition request was not accepted: " + ev)
if "target_bssid=" + apdev[1]['bssid'] not in ev:
raise Exception("Unexpected target BSS: " + ev)
dev[0].wait_connected(timeout=15, error="No reassociation seen")
if apdev[1]['bssid'] not in ev:
raise Exception("Unexpected reassociation target: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=0.1)
if ev is not None:
raise Exception("Unexpected scan started")
dev[0].dump_monitor()
finally:
dev[0].request("DISCONNECT")
if hapd:
hapd.request("DISABLE")
if hapd2:
hapd2.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()
def start_wnm_tm(ap, country, dev):
params = { "ssid": "test-wnm",
"country_code": country,