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tests: Test dynamic BSS addition/removal

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test_ap_bss_add_remove verifies hostapd behavior when BSSes are
added/removed in multi-BSS configuration.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-10-31 17:28:43 +02:00 committed by Jouni Malinen
parent 2aec4f3c0c
commit a633397756
6 changed files with 181 additions and 0 deletions
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11
tests/hwsim/bss-1.conf Normal file
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@ -0,0 +1,11 @@
driver=nl80211
hw_mode=g
channel=1
ieee80211n=1
interface=wlan3
bssid=02:00:00:00:03:00
ctrl_interface=/var/run/hostapd
ssid=bss-1

11
tests/hwsim/bss-2.conf Normal file
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@ -0,0 +1,11 @@
driver=nl80211
hw_mode=g
channel=1
ieee80211n=1
interface=wlan3-2
bssid=02:00:00:00:03:01
ctrl_interface=/var/run/hostapd
ssid=bss-2

11
tests/hwsim/bss-3.conf Normal file
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@ -0,0 +1,11 @@
driver=nl80211
hw_mode=g
channel=1
ieee80211n=1
interface=wlan3-3
bssid=02:00:00:00:03:02
ctrl_interface=/var/run/hostapd
ssid=bss-3

19
tests/hwsim/hostapd.py
View file

@ -24,6 +24,12 @@ class HostapdGlobal:
if not "OK" in res:
raise Exception("Could not add hostapd interface " + ifname)
def add_bss(self, phy, confname, ignore_error=False):
res = self.ctrl.request("ADD bss_config=" + phy + ":" + confname)
if not "OK" in res:
if not ignore_error:
raise Exception("Could not add hostapd BSS")
def remove(self, ifname):
self.ctrl.request("REMOVE " + ifname)
@ -120,6 +126,19 @@ def add_ap(ifname, params):
hapd.set(f, v)
hapd.enable()
def add_bss(phy, ifname, confname, ignore_error=False):
logger.info("Starting BSS phy=" + phy + " ifname=" + ifname)
hapd_global = HostapdGlobal()
hapd_global.add_bss(phy, confname, ignore_error)
hapd = Hostapd(ifname)
if not hapd.ping():
raise Exception("Could not ping hostapd")
def remove_bss(ifname):
logger.info("Removing BSS " + ifname)
hapd_global = HostapdGlobal()
hapd_global.remove(ifname)
def wpa2_params(ssid=None, passphrase=None):
params = { "wpa": "2",
"wpa_key_mgmt": "WPA-PSK",

2
tests/hwsim/run-tests.py
View file

@ -30,6 +30,8 @@ def reset_devs(dev, apdev):
except Exception, e:
logger.info("Failed to reset device " + d.ifname)
print str(e)
hapd.remove('wlan3-3')
hapd.remove('wlan3-2')
for ap in apdev:
hapd.remove(ap['ifname'])

127
tests/hwsim/test_ap_dynamic.py
View file

@ -33,3 +33,130 @@ def test_ap_change_ssid(dev, apdev):
dev[0].set_network_quoted(id, "ssid", "test-wpa2-psk-new")
dev[0].connect_network(id)
def multi_check(dev, check0, check1, check2):
for d in dev:
d.request("BSS_FLUSH 0")
d.dump_monitor()
id0 = dev[0].connect("bss-1", key_mgmt="NONE", scan_freq="2412",
wait_connect=check0)
id1 = dev[1].connect("bss-2", key_mgmt="NONE", scan_freq="2412",
wait_connect=check1)
id2 = dev[2].connect("bss-3", key_mgmt="NONE", scan_freq="2412",
wait_connect=check2)
if not check0:
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
if ev:
raise Exception("Unexpected connection")
if not check1:
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
if ev:
raise Exception("Unexpected connection")
if not check2:
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
if ev:
raise Exception("Unexpected connection")
dev[0].remove_network(id0)
dev[1].remove_network(id1)
dev[2].remove_network(id2)
time.sleep(0.3)
res0 = dev[0].request("BSS RANGE=ALL MASK=0x2")
res1 = dev[1].request("BSS RANGE=ALL MASK=0x2")
res2 = dev[2].request("BSS RANGE=ALL MASK=0x2")
if not check0:
if ('02:00:00:00:03:00' in res0 or
'02:00:00:00:03:00' in res1 or
'02:00:00:00:03:00' in res2):
raise Exception("Unexpected BSS0 in scan results")
if not check1:
if ('02:00:00:00:03:01' in res0 or
'02:00:00:00:03:01' in res1 or
'02:00:00:00:03:01' in res2):
raise Exception("Unexpected BSS1 in scan results")
if not check2:
if ('02:00:00:00:03:02' in res0 or
'02:00:00:00:03:02' in res1 or
'02:00:00:00:03:02' in res2):
raise Exception("Unexpected BSS2 in scan results")
def test_ap_bss_add_remove(dev, apdev):
"""Dynamic BSS add/remove operations with hostapd"""
for d in dev:
d.request("SET ignore_old_scan_res 1")
ifname1 = apdev[0]['ifname']
ifname2 = apdev[0]['ifname'] + '-2'
ifname3 = apdev[0]['ifname'] + '-3'
logger.info("Set up three BSSes one by one")
hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
multi_check(dev, True, False, False)
hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
multi_check(dev, True, True, False)
hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
multi_check(dev, True, True, True)
logger.info("Remove the last BSS and re-add it")
hostapd.remove_bss(ifname3)
multi_check(dev, True, True, False)
hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
multi_check(dev, True, True, True)
logger.info("Remove the middle BSS and re-add it")
hostapd.remove_bss(ifname2)
multi_check(dev, True, False, True)
hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
multi_check(dev, True, True, True)
logger.info("Remove the first BSS and re-add it")
hostapd.remove_bss(ifname1)
multi_check(dev, False, True, True)
hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
multi_check(dev, True, True, True)
logger.info("Remove two BSSes and re-add them")
hostapd.remove_bss(ifname2)
multi_check(dev, True, False, True)
hostapd.remove_bss(ifname3)
multi_check(dev, True, False, False)
dev[0].request("NOTE failure-done")
hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
multi_check(dev, True, True, False)
hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
multi_check(dev, True, True, True)
logger.info("Remove three BSSes and re-add them")
hostapd.remove_bss(ifname1)
multi_check(dev, False, True, True)
hostapd.remove_bss(ifname2)
multi_check(dev, False, False, True)
hostapd.remove_bss(ifname3)
multi_check(dev, False, False, False)
hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
multi_check(dev, True, False, False)
hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
multi_check(dev, True, True, False)
hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
multi_check(dev, True, True, True)
logger.info("Remove three BSSes in reverse order and re-add them")
hostapd.remove_bss(ifname3)
multi_check(dev, True, True, False)
hostapd.remove_bss(ifname2)
multi_check(dev, True, False, False)
hostapd.remove_bss(ifname1)
hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
multi_check(dev, True, False, False)
hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
multi_check(dev, True, True, False)
hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
multi_check(dev, True, True, True)
logger.info("Test error handling if a duplicate ifname is tried")
hostapd.add_bss('phy3', ifname3, 'bss-3.conf', ignore_error=True)
multi_check(dev, True, True, True)