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tests: VHT/HT preference in BSS selection

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-02-22 11:09:32 +02:00
parent 0d2030ee20
commit 528a7d22d0
2 changed files with 130 additions and 0 deletions
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78
tests/hwsim/test_ap_ht.py
View file

@ -866,3 +866,81 @@ def test_ap_ht_smps(dev, apdev):
dev[1].connect("ht2", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
hwsim_utils.test_connectivity(dev[1], hapd2)
def test_prefer_ht20(dev, apdev):
"""Preference on HT20 over no-HT"""
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "0" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "1" }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].scan_for_bss(bssid2, freq=2412)
dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
if dev[0].get_status_field('bssid') != bssid2:
raise Exception("Unexpected BSS selected")
est = dev[0].get_bss(bssid)['est_throughput']
if est != "54000":
raise Exception("Unexpected BSS0 est_throughput: " + est)
est = dev[0].get_bss(bssid2)['est_throughput']
if est != "65000":
raise Exception("Unexpected BSS1 est_throughput: " + est)
def test_prefer_ht40(dev, apdev):
"""Preference on HT40 over HT20"""
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "1",
"ht_capab": "[HT40+]" }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].scan_for_bss(bssid2, freq=2412)
dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
if dev[0].get_status_field('bssid') != bssid2:
raise Exception("Unexpected BSS selected")
est = dev[0].get_bss(bssid)['est_throughput']
if est != "65000":
raise Exception("Unexpected BSS0 est_throughput: " + est)
est = dev[0].get_bss(bssid2)['est_throughput']
if est != "135000":
raise Exception("Unexpected BSS1 est_throughput: " + est)
def test_prefer_ht20_during_roam(dev, apdev):
"""Preference on HT20 over no-HT in roaming consideration"""
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "0" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq=2412)
dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
params = { "ssid": "test",
"channel": "1",
"ieee80211n": "1" }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid2, freq=2412)
dev[0].scan(freq=2412)
dev[0].wait_connected()
if dev[0].get_status_field('bssid') != bssid2:
raise Exception("Unexpected BSS selected")

52
tests/hwsim/test_ap_vht.py
View file

@ -37,9 +37,13 @@ def test_ap_vht80(dev, apdev):
"vht_oper_chwidth": "1",
"vht_oper_centr_freq_seg0_idx": "42" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
hwsim_utils.test_connectivity(dev[0], hapd)
est = dev[0].get_bss(bssid)['est_throughput']
if est != "390001":
raise Exception("Unexpected BSS est_throughput: " + est)
except Exception, e:
if isinstance(e, Exception) and str(e) == "AP startup failed":
if not vht_supported():
@ -442,3 +446,51 @@ def test_ap_vht_on_24ghz(dev, apdev):
raise Exception("Unexpected VENDOR_VHT STA flag")
finally:
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
def test_prefer_vht40(dev, apdev):
"""Preference on VHT40 over HT40"""
try:
hapd2 = None
params = { "ssid": "test",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ht_capab": "[HT40+]" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
params = { "ssid": "test",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "[HT40+]",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0",
}
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
bssid2 = apdev[1]['bssid']
dev[0].scan_for_bss(bssid, freq=5180)
dev[0].scan_for_bss(bssid2, freq=5180)
dev[0].connect("test", scan_freq="5180", key_mgmt="NONE")
if dev[0].get_status_field('bssid') != bssid2:
raise Exception("Unexpected BSS selected")
est = dev[0].get_bss(bssid)['est_throughput']
if est != "135000":
raise Exception("Unexpected BSS0 est_throughput: " + est)
est = dev[0].get_bss(bssid2)['est_throughput']
if est != "135001":
raise Exception("Unexpected BSS1 est_throughput: " + est)
finally:
dev[0].request("DISCONNECT")
if hapd2:
hapd2.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
dev[0].flush_scan_cache()