tests: Test dynamic BSS addition/removal
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
Jouni Malinen
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6 changed files with 181 additions and 0 deletions
11
tests/hwsim/bss-1.conf
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11
tests/hwsim/bss-1.conf
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@ -0,0 +1,11 @@
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driver=nl80211
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hw_mode=g
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channel=1
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ieee80211n=1
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interface=wlan3
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bssid=02:00:00:00:03:00
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ctrl_interface=/var/run/hostapd
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ssid=bss-1
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11
tests/hwsim/bss-2.conf
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11
tests/hwsim/bss-2.conf
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driver=nl80211
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hw_mode=g
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channel=1
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ieee80211n=1
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interface=wlan3-2
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bssid=02:00:00:00:03:01
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ctrl_interface=/var/run/hostapd
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ssid=bss-2
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11
tests/hwsim/bss-3.conf
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11
tests/hwsim/bss-3.conf
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driver=nl80211
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hw_mode=g
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channel=1
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ieee80211n=1
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interface=wlan3-3
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bssid=02:00:00:00:03:02
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ctrl_interface=/var/run/hostapd
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ssid=bss-3
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@ -24,6 +24,12 @@ class HostapdGlobal:
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if not "OK" in res:
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if not "OK" in res:
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raise Exception("Could not add hostapd interface " + ifname)
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raise Exception("Could not add hostapd interface " + ifname)
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def add_bss(self, phy, confname, ignore_error=False):
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res = self.ctrl.request("ADD bss_config=" + phy + ":" + confname)
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if not "OK" in res:
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if not ignore_error:
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raise Exception("Could not add hostapd BSS")
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def remove(self, ifname):
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def remove(self, ifname):
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self.ctrl.request("REMOVE " + ifname)
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self.ctrl.request("REMOVE " + ifname)
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@ -120,6 +126,19 @@ def add_ap(ifname, params):
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hapd.set(f, v)
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hapd.set(f, v)
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hapd.enable()
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hapd.enable()
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def add_bss(phy, ifname, confname, ignore_error=False):
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logger.info("Starting BSS phy=" + phy + " ifname=" + ifname)
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hapd_global = HostapdGlobal()
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hapd_global.add_bss(phy, confname, ignore_error)
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hapd = Hostapd(ifname)
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if not hapd.ping():
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raise Exception("Could not ping hostapd")
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def remove_bss(ifname):
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logger.info("Removing BSS " + ifname)
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hapd_global = HostapdGlobal()
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hapd_global.remove(ifname)
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def wpa2_params(ssid=None, passphrase=None):
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def wpa2_params(ssid=None, passphrase=None):
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params = { "wpa": "2",
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params = { "wpa": "2",
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"wpa_key_mgmt": "WPA-PSK",
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"wpa_key_mgmt": "WPA-PSK",
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@ -30,6 +30,8 @@ def reset_devs(dev, apdev):
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except Exception, e:
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except Exception, e:
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logger.info("Failed to reset device " + d.ifname)
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logger.info("Failed to reset device " + d.ifname)
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print str(e)
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print str(e)
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hapd.remove('wlan3-3')
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hapd.remove('wlan3-2')
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for ap in apdev:
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for ap in apdev:
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hapd.remove(ap['ifname'])
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hapd.remove(ap['ifname'])
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@ -33,3 +33,130 @@ def test_ap_change_ssid(dev, apdev):
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dev[0].set_network_quoted(id, "ssid", "test-wpa2-psk-new")
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dev[0].set_network_quoted(id, "ssid", "test-wpa2-psk-new")
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dev[0].connect_network(id)
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dev[0].connect_network(id)
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def multi_check(dev, check0, check1, check2):
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for d in dev:
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d.request("BSS_FLUSH 0")
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d.dump_monitor()
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id0 = dev[0].connect("bss-1", key_mgmt="NONE", scan_freq="2412",
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wait_connect=check0)
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id1 = dev[1].connect("bss-2", key_mgmt="NONE", scan_freq="2412",
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wait_connect=check1)
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id2 = dev[2].connect("bss-3", key_mgmt="NONE", scan_freq="2412",
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wait_connect=check2)
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if not check0:
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
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if ev:
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raise Exception("Unexpected connection")
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if not check1:
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ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
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if ev:
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raise Exception("Unexpected connection")
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if not check2:
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.2)
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if ev:
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raise Exception("Unexpected connection")
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dev[0].remove_network(id0)
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dev[1].remove_network(id1)
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dev[2].remove_network(id2)
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time.sleep(0.3)
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res0 = dev[0].request("BSS RANGE=ALL MASK=0x2")
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res1 = dev[1].request("BSS RANGE=ALL MASK=0x2")
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res2 = dev[2].request("BSS RANGE=ALL MASK=0x2")
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if not check0:
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if ('02:00:00:00:03:00' in res0 or
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'02:00:00:00:03:00' in res1 or
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'02:00:00:00:03:00' in res2):
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raise Exception("Unexpected BSS0 in scan results")
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if not check1:
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if ('02:00:00:00:03:01' in res0 or
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'02:00:00:00:03:01' in res1 or
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'02:00:00:00:03:01' in res2):
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raise Exception("Unexpected BSS1 in scan results")
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if not check2:
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if ('02:00:00:00:03:02' in res0 or
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'02:00:00:00:03:02' in res1 or
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'02:00:00:00:03:02' in res2):
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raise Exception("Unexpected BSS2 in scan results")
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def test_ap_bss_add_remove(dev, apdev):
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"""Dynamic BSS add/remove operations with hostapd"""
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for d in dev:
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d.request("SET ignore_old_scan_res 1")
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ifname1 = apdev[0]['ifname']
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ifname2 = apdev[0]['ifname'] + '-2'
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ifname3 = apdev[0]['ifname'] + '-3'
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logger.info("Set up three BSSes one by one")
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hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
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multi_check(dev, True, False, False)
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hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
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multi_check(dev, True, True, False)
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove the last BSS and re-add it")
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hostapd.remove_bss(ifname3)
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multi_check(dev, True, True, False)
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove the middle BSS and re-add it")
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hostapd.remove_bss(ifname2)
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multi_check(dev, True, False, True)
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hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove the first BSS and re-add it")
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hostapd.remove_bss(ifname1)
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multi_check(dev, False, True, True)
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hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove two BSSes and re-add them")
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hostapd.remove_bss(ifname2)
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multi_check(dev, True, False, True)
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hostapd.remove_bss(ifname3)
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multi_check(dev, True, False, False)
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dev[0].request("NOTE failure-done")
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hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
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multi_check(dev, True, True, False)
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove three BSSes and re-add them")
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hostapd.remove_bss(ifname1)
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multi_check(dev, False, True, True)
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hostapd.remove_bss(ifname2)
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multi_check(dev, False, False, True)
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hostapd.remove_bss(ifname3)
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multi_check(dev, False, False, False)
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hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
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multi_check(dev, True, False, False)
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hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
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multi_check(dev, True, True, False)
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
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multi_check(dev, True, True, True)
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logger.info("Remove three BSSes in reverse order and re-add them")
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hostapd.remove_bss(ifname3)
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multi_check(dev, True, True, False)
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hostapd.remove_bss(ifname2)
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multi_check(dev, True, False, False)
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hostapd.remove_bss(ifname1)
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hostapd.add_bss('phy3', ifname1, 'bss-1.conf')
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multi_check(dev, True, False, False)
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hostapd.add_bss('phy3', ifname2, 'bss-2.conf')
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multi_check(dev, True, True, False)
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf')
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multi_check(dev, True, True, True)
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logger.info("Test error handling if a duplicate ifname is tried")
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hostapd.add_bss('phy3', ifname3, 'bss-3.conf', ignore_error=True)
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multi_check(dev, True, True, True)
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