[PATCH 6/6] tests: Cleanup usage of HostapdGlobal()/add_bss/add_iface

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Cleanup this code as much as possible to be
ready for usage with remote hosts.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx>
---
 tests/hwsim/hostapd.py           |   2 +
 tests/hwsim/test_ap_acs.py       |   9 +--
 tests/hwsim/test_ap_config.py    |  18 +++---
 tests/hwsim/test_ap_dynamic.py   | 126 ++++++++++++++-------------------------
 tests/hwsim/test_ap_hs20.py      |  12 ++--
 tests/hwsim/test_ap_ht.py        |   3 +-
 tests/hwsim/test_ap_psk.py       |  19 ++----
 tests/hwsim/test_ap_vlan.py      |   3 +-
 tests/hwsim/test_ap_wps.py       |  12 ++--
 tests/hwsim/test_dfs.py          |  47 +++++++--------
 tests/hwsim/test_fst_module.py   |  18 +++---
 tests/hwsim/test_hapd_ctrl.py    |   6 +-
 tests/hwsim/test_hostapd_oom.py  |   3 +-
 tests/hwsim/test_module_tests.py |   4 +-
 tests/hwsim/test_p2p_grpform.py  |   9 ++-
 tests/hwsim/test_pmksa_cache.py  |   4 +-
 tests/hwsim/test_rfkill.py       |   2 +-
 17 files changed, 116 insertions(+), 181 deletions(-)

diff --git a/tests/hwsim/hostapd.py b/tests/hwsim/hostapd.py
index 084c43e..d053e98 100644
--- a/tests/hwsim/hostapd.py
+++ b/tests/hwsim/hostapd.py
@@ -409,6 +409,7 @@ def add_bss(phy, apdev, confname, ignore_error=False):
     hapd = Hostapd(dev)
     if not hapd.ping():
         raise Exception("Could not ping hostapd")
+    return hapd
 
 def add_iface(apdev, confname):
     ifname = apdev['ifname']
@@ -424,6 +425,7 @@ def add_iface(apdev, confname):
     hapd = Hostapd(dev)
     if not hapd.ping():
         raise Exception("Could not ping hostapd")
+    return hapd
 
 def remove_bss(apdev):
     ifname = apdev['ifname']
diff --git a/tests/hwsim/test_ap_acs.py b/tests/hwsim/test_ap_acs.py
index 8f1f492..6d7b5dc 100644
--- a/tests/hwsim/test_ap_acs.py
+++ b/tests/hwsim/test_ap_acs.py
@@ -18,8 +18,7 @@ def force_prev_ap_on_24g(ap):
     # sufficient survey data from mac80211_hwsim.
     hostapd.add_ap(ap, { "ssid": "open" })
     time.sleep(0.1)
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(ap['ifname'])
+    hostapd.remove_bss(ap)
 
 def force_prev_ap_on_5g(ap):
     # For now, make sure the last operating channel was on 5 GHz band to get
@@ -27,8 +26,7 @@ def force_prev_ap_on_5g(ap):
     hostapd.add_ap(ap, { "ssid": "open", "hw_mode": "a",
                          "channel": "36", "country_code": "US" })
     time.sleep(0.1)
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(ap['ifname'])
+    hostapd.remove_bss(ap)
 
 def wait_acs(hapd):
     ev = hapd.wait_event(["ACS-STARTED", "ACS-COMPLETED", "ACS-FAILED",
@@ -95,8 +93,7 @@ def test_ap_multi_bss_acs(dev, apdev):
     force_prev_ap_on_24g(apdev[0])
 
     # start the actual test
-    hostapd.add_iface(apdev[0], 'multi-bss-acs.conf')
-    hapd = hostapd.Hostapd(ifname)
+    hapd = hostapd.add_iface(apdev[0], 'multi-bss-acs.conf')
     hapd.enable()
     wait_acs(hapd)
 
diff --git a/tests/hwsim/test_ap_config.py b/tests/hwsim/test_ap_config.py
index 18ab5c2..9bb5db9 100644
--- a/tests/hwsim/test_ap_config.py
+++ b/tests/hwsim/test_ap_config.py
@@ -8,43 +8,41 @@ import hostapd
 
 def test_ap_config_errors(dev, apdev):
     """Various hostapd configuration errors"""
-    hapd_global = hostapd.HostapdGlobal()
-    ifname = apdev[0]['ifname']
 
     # IEEE 802.11d without country code
     params = { "ssid": "foo", "ieee80211d": "1" }
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (ieee80211d without country_code)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # IEEE 802.11h without IEEE 802.11d
     params = { "ssid": "foo", "ieee80211h": "1" }
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (ieee80211h without ieee80211d")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # Power Constraint without IEEE 802.11d
     params = { "ssid": "foo", "local_pwr_constraint": "1" }
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (local_pwr_constraint without ieee80211d)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # Spectrum management without Power Constraint
     params = { "ssid": "foo", "spectrum_mgmt_required": "1" }
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (spectrum_mgmt_required without local_pwr_constraint)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # IEEE 802.1X without authentication server
     params = { "ssid": "foo", "ieee8021x": "1" }
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (ieee8021x)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # RADIUS-PSK without macaddr_acl=2
     params = hostapd.wpa2_params(ssid="foo", passphrase="12345678")
@@ -52,7 +50,7 @@ def test_ap_config_errors(dev, apdev):
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (wpa_psk_radius)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # FT without NAS-Identifier
     params = { "wpa": "2",
@@ -62,7 +60,7 @@ def test_ap_config_errors(dev, apdev):
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (FT without nas_identifier)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
     # Hotspot 2.0 without WPA2/CCMP
     params = hostapd.wpa2_params(ssid="foo")
@@ -77,4 +75,4 @@ def test_ap_config_errors(dev, apdev):
     hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
     if "FAIL" not in hapd.request("ENABLE"):
         raise Exception("Unexpected ENABLE success (HS 2.0 without WPA2/CCMP)")
-    hapd_global.remove(ifname)
+    hostapd.remove_bss(apdev[0])
diff --git a/tests/hwsim/test_ap_dynamic.py b/tests/hwsim/test_ap_dynamic.py
index 420f95f..a1da66c 100644
--- a/tests/hwsim/test_ap_dynamic.py
+++ b/tests/hwsim/test_ap_dynamic.py
@@ -188,8 +188,7 @@ def test_ap_multi_bss_config(dev, apdev):
     apdev2['ifname'] = apdev[0]['ifname'] + '-2'
     apdev3['ifname'] = apdev[0]['ifname'] + '-3'
     logger.info("Set up three BSSes with one configuration file")
-    hostapd.add_iface(apdev1, 'multi-bss.conf')
-    hapd = hostapd.Hostapd(apdev1)
+    hapd = hostapd.add_iface(apdev1, 'multi-bss.conf')
     hapd.enable()
     multi_check(dev, [ True, True, True ])
     hostapd.remove_bss(apdev2)
@@ -199,8 +198,7 @@ def test_ap_multi_bss_config(dev, apdev):
     hostapd.remove_bss(apdev1)
     multi_check(dev, [ False, False, False ])
 
-    hostapd.add_iface(apdev1, 'multi-bss.conf')
-    hapd = hostapd.Hostapd(apdev1)
+    hapd = hostapd.add_iface(apdev1, 'multi-bss.conf')
     hapd.enable()
     hostapd.remove_bss(apdev1)
     multi_check(dev, [ False, False, False ])
@@ -237,93 +235,64 @@ def test_ap_remove_during_acs(dev, apdev):
     force_prev_ap_on_24g(apdev[0])
     params = hostapd.wpa2_params(ssid="test-acs-remove", passphrase="12345678")
     params['channel'] = '0'
-    ifname = apdev[0]['ifname']
-    hapd = hostapd.HostapdGlobal()
     hostapd.add_ap(apdev[0], params)
-    hapd.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_remove_during_acs2(dev, apdev):
     """Remove BSS during ACS in multi-BSS configuration"""
     force_prev_ap_on_24g(apdev[0])
-    ifname = apdev[0]['ifname']
-    ifname2 = ifname + "-2"
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "test-acs-remove")
-    hapd.set("channel", "0")
-    hapd.set("bss", ifname2)
-    hapd.set("ssid", "test-acs-remove2")
-    hapd.enable()
-    hapd_global.remove(ifname)
+    ifname2 = apdev[0]['ifname'] + "-2"
+    params = { "ssid" : "test-acs-remove",
+               "channel" : "0",
+               "bss" : ifname2,
+               "ssid" : "test-acs-remove2"}
+    hostapd.add_ap(apdev[0], params)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_remove_during_acs3(dev, apdev):
     """Remove second BSS during ACS in multi-BSS configuration"""
     force_prev_ap_on_24g(apdev[0])
-    ifname = apdev[0]['ifname']
-    ifname2 = ifname + "-2"
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "test-acs-remove")
-    hapd.set("channel", "0")
-    hapd.set("bss", ifname2)
-    hapd.set("ssid", "test-acs-remove2")
-    hapd.enable()
-    hapd_global.remove(ifname2)
+    ifname2 = apdev[0]['ifname'] + "-2"
+    params = { "ssid" : "test-acs-remove",
+               "channel" : "0",
+               "bss" : ifname2,
+               "ssid" : "test-acs-remove2" }
+    hostapd.add_ap(apdev[0], params)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_remove_during_ht_coex_scan(dev, apdev):
     """Remove interface during HT co-ex scan"""
     params = hostapd.wpa2_params(ssid="test-ht-remove", passphrase="12345678")
     params['channel'] = '1'
     params['ht_capab'] = "[HT40+]"
-    ifname = apdev[0]['ifname']
-    hapd = hostapd.HostapdGlobal()
     hostapd.add_ap(apdev[0], params)
-    hapd.remove(ifname)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_remove_during_ht_coex_scan2(dev, apdev):
     """Remove BSS during HT co-ex scan in multi-BSS configuration"""
-    ifname = apdev[0]['ifname']
-    ifname2 = ifname + "-2"
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "test-ht-remove")
-    hapd.set("channel", "1")
-    hapd.set("ht_capab", "[HT40+]")
-    hapd.set("bss", ifname2)
-    hapd.set("ssid", "test-ht-remove2")
-    hapd.enable()
-    hapd_global.remove(ifname)
+    ifname2 = apdev[0]['ifname'] + "-2"
+    params = { "ssid" : "test-ht-remove",
+               "channel" : "1",
+               "ht_capab" : "[HT40+]",
+               "bss" : ifname2,
+               "ssid" : "test-ht-remove2" }
+    hostapd.add_ap(apdev[0], params)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_remove_during_ht_coex_scan3(dev, apdev):
     """Remove second BSS during HT co-ex scan in multi-BSS configuration"""
-    ifname = apdev[0]['ifname']
-    ifname2 = ifname + "-2"
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "test-ht-remove")
-    hapd.set("channel", "1")
-    hapd.set("ht_capab", "[HT40+]")
-    hapd.set("bss", ifname2)
-    hapd.set("ssid", "test-ht-remove2")
-    hapd.enable()
-    hapd_global.remove(ifname2)
+    ifname2 = apdev[0]['ifname'] + "-2"
+    params = { "ssid" : "test-ht-remove",
+               "channel" : "1",
+               "ht_capab" : "[HT40+]",
+               "bss" : ifname2,
+               "ssid" : "test-ht-remove2" }
+    hostapd.add_ap(apdev[0], params)
+    hostapd.remove_bss(apdev[0])
 
 def test_ap_enable_disable_reenable(dev, apdev):
     """Enable, disable, re-enable AP"""
-    ifname = apdev[0]['ifname']
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "dynamic")
+    hapd = hostapd.add_ap(apdev[0], { "ssid" : "dynamic"}, no_enable=True)
     hapd.enable()
     ev = hapd.wait_event(["AP-ENABLED"], timeout=30)
     if ev is None:
@@ -364,7 +333,7 @@ def test_ap_bss_add_many(dev, apdev):
     finally:
         dev[0].request("SCAN_INTERVAL 5")
         ifname = apdev[0]['ifname']
-        hapd = hostapd.HostapdGlobal()
+        hapd = hostapd.HostapdGlobal(apdev[0])
         hapd.flush()
         for i in range(16):
             ifname2 = ifname + '-' + str(i)
@@ -378,7 +347,7 @@ def _test_ap_bss_add_many(dev, apdev):
     apdev1 = apdev[0].copy()
     phy = 'phy3'
     hostapd.add_bss(phy, apdev1, 'bss-1.conf')
-    hapd = hostapd.HostapdGlobal()
+    hapd = hostapd.HostapdGlobal(apdev[0])
     fname = '/tmp/hwsim-bss.conf'
     for i in range(16):
         apdev2 = apdev[0].copy()
@@ -418,9 +387,9 @@ def test_ap_bss_add_reuse_existing(dev, apdev):
     hostapd.remove_bss(apdev2)
     subprocess.check_call(["iw", "dev", apdev2['ifname'], "del"])
 
-def hapd_bss_out_of_mem(hapd, phy, confname, count, func):
+def hapd_bss_out_of_mem(dev, hapd, phy, confname, count, func):
     with alloc_fail(hapd, count, func):
-        hapd_global = hostapd.HostapdGlobal()
+        hapd_global = hostapd.HostapdGlobal(dev)
         res = hapd_global.ctrl.request("ADD bss_config=" + phy + ":" + confname)
         if "OK" in res:
             raise Exception("add_bss succeeded")
@@ -433,18 +402,18 @@ def test_ap_bss_add_out_of_memory(dev, apdev):
     apdev2 = apdev[0].copy()
     apdev2['ifname'] = apdev[0]['ifname'] + '-2'
 
-    hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf', 1, 'hostapd_add_iface')
+    hapd_bss_out_of_mem(apdev[1], hapd2, 'phy3', 'bss-1.conf', 1, 'hostapd_add_iface')
     for i in range(1, 3):
-        hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf',
+        hapd_bss_out_of_mem(apdev[1], hapd2, 'phy3', 'bss-1.conf',
                             i, 'hostapd_interface_init_bss')
-    hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf',
+    hapd_bss_out_of_mem(apdev[1], hapd2, 'phy3', 'bss-1.conf',
                         1, 'ieee802_11_build_ap_params')
 
     hostapd.add_bss('phy3', apdev1, 'bss-1.conf')
 
-    hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-2.conf',
+    hapd_bss_out_of_mem(apdev[1], hapd2, 'phy3', 'bss-2.conf',
                         1, 'hostapd_interface_init_bss')
-    hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-2.conf',
+    hapd_bss_out_of_mem(apdev[1], hapd2, 'phy3', 'bss-2.conf',
                         1, 'ieee802_11_build_ap_params')
 
     hostapd.add_bss('phy3', apdev2, 'bss-2.conf')
@@ -476,12 +445,7 @@ def test_ap_multi_bss(dev, apdev):
 
 def test_ap_add_with_driver(dev, apdev):
     """Add hostapd interface with driver specified"""
-    ifname = apdev[0]['ifname']
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.add(ifname, driver="nl80211")
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set("ssid", "dynamic")
+    hapd = hostapd.add_ap(apdev[0], { "ssid" : "dynamic" }, no_enable=True)
     hapd.enable()
     ev = hapd.wait_event(["AP-ENABLED"], timeout=30)
     if ev is None:
diff --git a/tests/hwsim/test_ap_hs20.py b/tests/hwsim/test_ap_hs20.py
index f36cb16..9fc4d0a 100644
--- a/tests/hwsim/test_ap_hs20.py
+++ b/tests/hwsim/test_ap_hs20.py
@@ -1729,12 +1729,10 @@ def test_ap_hs20_min_bandwidth_home_hidden_ssid_in_scan_res(dev, apdev):
     bssid = apdev[0]['bssid']
 
     hapd = hostapd.add_ap(apdev[0], { "ssid": 'secret',
-                                                "ignore_broadcast_ssid": "1" })
+                                      "ignore_broadcast_ssid": "1" })
     dev[0].scan_for_bss(bssid, freq=2412)
     hapd.disable()
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.flush()
-    hapd_global.remove(apdev[0]['ifname'])
+    hostapd.remove_bss(apdev[0])
 
     params = hs20_ap_params()
     hostapd.add_ap(apdev[0], params)
@@ -2895,12 +2893,10 @@ def test_ap_hs20_hidden_ssid_in_scan_res(dev, apdev):
     bssid = apdev[0]['bssid']
 
     hapd = hostapd.add_ap(apdev[0], { "ssid": 'secret',
-                                                "ignore_broadcast_ssid": "1" })
+                                      "ignore_broadcast_ssid": "1" })
     dev[0].scan_for_bss(bssid, freq=2412)
     hapd.disable()
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.flush()
-    hapd_global.remove(apdev[0]['ifname'])
+    hostapd.remove_bss(apdev[0])
 
     params = hs20_ap_params()
     params['hessid'] = bssid
diff --git a/tests/hwsim/test_ap_ht.py b/tests/hwsim/test_ap_ht.py
index 63aae42..0775010 100644
--- a/tests/hwsim/test_ap_ht.py
+++ b/tests/hwsim/test_ap_ht.py
@@ -683,8 +683,7 @@ def test_olbc(dev, apdev):
     if status['olbc'] != '1' or status['olbc_ht'] != '1':
         raise Exception("Missing OLBC information")
 
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(apdev[1]['ifname'])
+    hostapd.remove_bss(apdev[1])
 
     logger.info("Waiting for OLBC state to time out")
     cleared = False
diff --git a/tests/hwsim/test_ap_psk.py b/tests/hwsim/test_ap_psk.py
index 93bac83..8ab6864 100644
--- a/tests/hwsim/test_ap_psk.py
+++ b/tests/hwsim/test_ap_psk.py
@@ -2125,19 +2125,12 @@ def test_rsn_ie_proto_psk_sta(dev, apdev):
 def test_ap_cli_order(dev, apdev):
     ssid = "test-rsn-setup"
     passphrase = 'zzzzzzzz'
-    ifname = apdev[0]['ifname']
-
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(ifname)
-    hapd_global.add(ifname)
-
-    hapd = hostapd.Hostapd(apdev[0])
-    hapd.set_defaults()
-    hapd.set('ssid', ssid)
-    hapd.set('wpa_passphrase', passphrase)
-    hapd.set('rsn_pairwise', 'CCMP')
-    hapd.set('wpa_key_mgmt', 'WPA-PSK')
-    hapd.set('wpa', '2')
+    params = { 'ssid' : ssid,
+               'wpa_passphrase' : passphrase,
+               'rsn_pairwise' : 'CCMP',
+               'wpa_key_mgmt' : 'WPA-PSK',
+               'wpa' : '2' }
+    hapd = hostapd.add_ap(apdev[0], params, no_enable = True)
     hapd.enable()
     cfg = hapd.get_config()
     if cfg['group_cipher'] != 'CCMP':
diff --git a/tests/hwsim/test_ap_vlan.py b/tests/hwsim/test_ap_vlan.py
index 8a7962d..4c9a24a 100644
--- a/tests/hwsim/test_ap_vlan.py
+++ b/tests/hwsim/test_ap_vlan.py
@@ -330,8 +330,7 @@ def ap_vlan_iface_cleanup_multibss(dev, apdev, cfgfile):
         ifname = apdev[0]['ifname']
 
         # start the actual test
-        hostapd.add_iface(apdev[0], cfgfile)
-        hapd = hostapd.Hostapd(apdev[0])
+        hapd = hostapd.add_iface(apdev[0], cfgfile)
         apdev1 = { "ifname" : "wlan3-2" }
         hapd1 = hostapd.Hostapd(apdev1, 1)
         hapd1.enable()
diff --git a/tests/hwsim/test_ap_wps.py b/tests/hwsim/test_ap_wps.py
index b69e22f..1f03ba6 100644
--- a/tests/hwsim/test_ap_wps.py
+++ b/tests/hwsim/test_ap_wps.py
@@ -292,8 +292,7 @@ def test_ap_wps_twice(dev, apdev):
     params = { "ssid": ssid, "eap_server": "1", "wps_state": "2",
                "wpa_passphrase": "12345678", "wpa": "2",
                "wpa_key_mgmt": "WPA-PSK", "rsn_pairwise": "CCMP" }
-    hostapd.add_ap(apdev[0], params)
-    hapd = hostapd.Hostapd(apdev[0])
+    hapd = hostapd.add_ap(apdev[0], params)
     logger.info("WPS provisioning step")
     hapd.request("WPS_PBC")
     dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
@@ -303,11 +302,9 @@ def test_ap_wps_twice(dev, apdev):
     dev[0].request("DISCONNECT")
 
     logger.info("Restart AP with different passphrase and re-run WPS")
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(apdev[0]['ifname'])
+    hostapd.remove_bss(apdev[0])
     params['wpa_passphrase'] = 'another passphrase'
-    hostapd.add_ap(apdev[0], params)
-    hapd = hostapd.Hostapd(apdev[0])
+    hapd = hostapd.add_ap(apdev[0], params)
     logger.info("WPS provisioning step")
     hapd.request("WPS_PBC")
     dev[0].dump_monitor()
@@ -2287,8 +2284,7 @@ def test_ap_wps_auto_setup_with_config_file(dev, apdev):
             f.write("ssid=wps\n")
             f.write("eap_server=1\n")
             f.write("wps_state=1\n")
-        hostapd.add_bss('phy3', apdev[0], conffile)
-        hapd = hostapd.Hostapd(apdev[0])
+        hapd = hostapd.add_bss('phy3', apdev[0], conffile)
         hapd.request("WPS_PBC")
         dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
         dev[0].request("WPS_PBC " + apdev[0]['bssid'])
diff --git a/tests/hwsim/test_dfs.py b/tests/hwsim/test_dfs.py
index e4c9bdb..6cde3cb 100644
--- a/tests/hwsim/test_dfs.py
+++ b/tests/hwsim/test_dfs.py
@@ -28,40 +28,33 @@ def wait_dfs_event(hapd, event, timeout):
 def start_dfs_ap(ap, allow_failure=False, ssid="dfs", ht=True, ht40=False,
                  ht40minus=False, vht80=False, vht20=False, chanlist=None,
                  channel=None):
-    ifname = ap['ifname']
-    logger.info("Starting AP " + ifname + " on DFS channel")
-    hapd_global = hostapd.HostapdGlobal(ap)
-    hapd_global.remove(ifname)
-    hapd_global.add(ifname)
-    hapd = hostapd.Hostapd(ap)
-    if not hapd.ping():
-        raise Exception("Could not ping hostapd")
-    hapd.set_defaults()
-    hapd.set("ssid", ssid)
-    hapd.set("country_code", "FI")
-    hapd.set("ieee80211d", "1")
-    hapd.set("ieee80211h", "1")
-    hapd.set("hw_mode", "a")
-    hapd.set("channel", "52")
+    logger.info("Starting AP " + ap['ifname'] + " on DFS channel")
+    params = { "ssid" : ssid,
+               "country_code" : "FI",
+               "ieee80211d" : "1",
+               "ieee80211h" : "1",
+               "hw_mode" : "a",
+               "channel" : "52" }
     if not ht:
-        hapd.set("ieee80211n", "0")
+        params["ieee80211n"] = "0"
     if ht40:
-        hapd.set("ht_capab", "[HT40+]")
+        params["ht_capab"] = "[HT40+]"
     elif ht40minus:
-        hapd.set("ht_capab", "[HT40-]")
-        hapd.set("channel", "56")
+        params["ht_capab"] = "[HT40-]"
+        params["channel"] = "56"
     if vht80:
-        hapd.set("ieee80211ac", "1")
-        hapd.set("vht_oper_chwidth", "1")
-        hapd.set("vht_oper_centr_freq_seg0_idx", "58")
+        params["ieee80211ac"] = "1"
+        params["vht_oper_chwidth"] = "1"
+        params["vht_oper_centr_freq_seg0_idx"] = "58"
     if vht20:
-        hapd.set("ieee80211ac", "1")
-        hapd.set("vht_oper_chwidth", "0")
-        hapd.set("vht_oper_centr_freq_seg0_idx", "0")
+        params["ieee80211ac"] = "1"
+        params["vht_oper_chwidth"] = "0"
+        params["vht_oper_centr_freq_seg0_idx"] = "0"
     if chanlist:
-        hapd.set("chanlist", chanlist)
+        params["chanlist"] = chanlist
     if channel:
-        hapd.set("channel", str(channel))
+        params["channel"] = str(channel)
+    hapd = hostapd.add_ap(ap, params, no_enable=True)
     hapd.enable()
 
     ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
diff --git a/tests/hwsim/test_fst_module.py b/tests/hwsim/test_fst_module.py
index 4ed4adf..9400770 100644
--- a/tests/hwsim/test_fst_module.py
+++ b/tests/hwsim/test_fst_module.py
@@ -762,7 +762,7 @@ def test_fst_sta_connect_to_non_fst_ap(dev, apdev, test_params):
         finally:
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(ap1, ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_sta_connect_to_fst_ap(dev, apdev, test_params):
     """FST STA connecting to FST AP"""
@@ -851,7 +851,7 @@ def test_fst_second_sta_connect_to_non_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_second_sta_connect_to_fst_ap(dev, apdev, test_params):
     """FST STA 2nd connecting to FST AP"""
@@ -883,7 +883,7 @@ def test_fst_second_sta_connect_to_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_disconnect_1_of_2_stas_from_non_fst_ap(dev, apdev, test_params):
     """FST disconnect 1 of 2 STAs from non-FST AP"""
@@ -916,7 +916,7 @@ def test_fst_disconnect_1_of_2_stas_from_non_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_disconnect_1_of_2_stas_from_fst_ap(dev, apdev, test_params):
     """FST disconnect 1 of 2 STAs from FST AP"""
@@ -949,7 +949,7 @@ def test_fst_disconnect_1_of_2_stas_from_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_disconnect_2_of_2_stas_from_non_fst_ap(dev, apdev, test_params):
     """FST disconnect 2 of 2 STAs from non-FST AP"""
@@ -984,7 +984,7 @@ def test_fst_disconnect_2_of_2_stas_from_non_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_disconnect_2_of_2_stas_from_fst_ap(dev, apdev, test_params):
     """FST disconnect 2 of 2 STAs from FST AP"""
@@ -1036,7 +1036,7 @@ def test_fst_disconnect_2_of_2_stas_from_fst_ap(dev, apdev, test_params):
             sta1.disconnect()
             sta2.disconnect_from_external_ap()
             fst_module_aux.stop_two_ap_sta_pairs(fst_ap1, fst_ap2, sta1, sta2)
-            hostapd.HostapdGlobal().remove(iface)
+            hostapd.remove_bss(ap)
 
 def test_fst_disconnect_non_fst_sta(dev, apdev, test_params):
     """FST disconnect non-FST STA"""
@@ -1420,7 +1420,7 @@ def test_fst_ap_remove_session_bad_session_id(dev, apdev, test_params):
 
 def test_fst_ap_ctrl_iface(dev, apdev, test_params):
     """FST control interface behavior"""
-    hglobal = hostapd.HostapdGlobal()
+    hglobal = hostapd.HostapdGlobal(apdev[0])
     start_num_groups = 0
     res = hglobal.request("FST-MANAGER LIST_GROUPS")
     del hglobal
@@ -2345,7 +2345,7 @@ def fst_setup_req(dev, hglobal, freq, dst, req, stie, mbie="", no_wait=False):
             break
 
 def fst_start_and_connect(apdev, group, sgroup):
-    hglobal = hostapd.HostapdGlobal()
+    hglobal = hostapd.HostapdGlobal(apdev[0])
     if "OK" not in hglobal.request("FST-MANAGER TEST_REQUEST IS_SUPPORTED"):
         raise HwsimSkip("No FST testing support")
 
diff --git a/tests/hwsim/test_hapd_ctrl.py b/tests/hwsim/test_hapd_ctrl.py
index d148b65..a37f3f2 100644
--- a/tests/hwsim/test_hapd_ctrl.py
+++ b/tests/hwsim/test_hapd_ctrl.py
@@ -443,7 +443,7 @@ def test_hapd_ctrl_global(dev, apdev):
     params = { "ssid": ssid }
     ifname = apdev[0]['ifname']
     hapd = hostapd.add_ap(apdev[0], params)
-    hapd_global = hostapd.HostapdGlobal()
+    hapd_global = hostapd.HostapdGlobal(apdev[0])
     res = hapd_global.request("IFNAME=" + ifname + " PING")
     if "PONG" not in res:
             raise Exception("Could not ping hostapd interface " + ifname + " via global control interface")
@@ -471,7 +471,7 @@ def test_hapd_dup_network_global_wpa2(dev, apdev):
     dst_ifname = apdev[1]['ifname']
     dst_hapd = hostapd.add_ap(apdev[1], dst_params, no_enable=True)
 
-    hapd_global = hostapd.HostapdGlobal()
+    hapd_global = hostapd.HostapdGlobal(apdev[0])
 
     for param in [ "wpa", "wpa_passphrase", "wpa_key_mgmt", "rsn_pairwise" ]:
         dup_network(hapd_global, src_ifname, dst_ifname, param)
@@ -500,7 +500,7 @@ def test_hapd_dup_network_global_wpa(dev, apdev):
     dst_ifname = apdev[1]['ifname']
     dst_hapd = hostapd.add_ap(apdev[1], dst_params, no_enable=True)
 
-    hapd_global = hostapd.HostapdGlobal()
+    hapd_global = hostapd.HostapdGlobal(apdev[0])
 
     for param in [ "wpa", "wpa_psk", "wpa_key_mgmt", "wpa_pairwise" ]:
         dup_network(hapd_global, src_ifname, dst_ifname, param)
diff --git a/tests/hwsim/test_hostapd_oom.py b/tests/hwsim/test_hostapd_oom.py
index 1f714d9..ab885d2 100644
--- a/tests/hwsim/test_hostapd_oom.py
+++ b/tests/hwsim/test_hostapd_oom.py
@@ -13,7 +13,6 @@ from utils import HwsimSkip
 
 def hostapd_oom_loop(apdev, params, start_func="main"):
     hapd = hostapd.add_ap(apdev[0], { "ssid": "ctrl" })
-    hapd_global = hostapd.HostapdGlobal()
 
     count = 0
     for i in range(1, 1000):
@@ -22,7 +21,7 @@ def hostapd_oom_loop(apdev, params, start_func="main"):
         try:
             hostapd.add_ap(apdev[1], params, timeout=2.5)
             logger.info("Iteration %d - success" % i)
-            hapd_global.remove(apdev[1]['ifname'])
+            hostapd.remove_bss(apdev[1])
 
             state = hapd.request('GET_ALLOC_FAIL')
             logger.info("GET_ALLOC_FAIL: " + state)
diff --git a/tests/hwsim/test_module_tests.py b/tests/hwsim/test_module_tests.py
index 2e96c45..6761f6e 100644
--- a/tests/hwsim/test_module_tests.py
+++ b/tests/hwsim/test_module_tests.py
@@ -21,8 +21,8 @@ def test_module_wpa_supplicant(dev, apdev, params):
         if "FAIL - should not have called this function" in res:
             raise Exception("eloop test failed")
 
-def test_module_hostapd(dev):
+def test_module_hostapd(dev, apdev):
     """hostapd module tests"""
-    hapd_global = hostapd.HostapdGlobal()
+    hapd_global = hostapd.HostapdGlobal(apdev[0])
     if "OK" not in hapd_global.ctrl.request("MODULE_TESTS"):
         raise Exception("Module tests failed")
diff --git a/tests/hwsim/test_p2p_grpform.py b/tests/hwsim/test_p2p_grpform.py
index 5ea010e..24918b0 100644
--- a/tests/hwsim/test_p2p_grpform.py
+++ b/tests/hwsim/test_p2p_grpform.py
@@ -596,9 +596,8 @@ def test_go_neg_two_peers(dev):
     if "status=5" not in ev:
         raise Exception("Unexpected status code in rejection: " + ev)
 
-def clear_pbc_overlap(dev, ifname):
-    hapd_global = hostapd.HostapdGlobal()
-    hapd_global.remove(ifname)
+def clear_pbc_overlap(dev, apdev):
+    hostapd.remove_bss(apdev)
     dev[0].request("P2P_CANCEL")
     dev[1].request("P2P_CANCEL")
     dev[0].p2p_stop_find()
@@ -645,7 +644,7 @@ def test_grpform_pbc_overlap(dev, apdev):
     if ev is None:
         raise Exception("PBC overlap not reported")
 
-    clear_pbc_overlap(dev, apdev[0]['ifname'])
+    clear_pbc_overlap(dev, apdev[0])
 
 def test_grpform_pbc_overlap_group_iface(dev, apdev):
     """P2P group formation during PBC overlap using group interfaces"""
@@ -683,7 +682,7 @@ def test_grpform_pbc_overlap_group_iface(dev, apdev):
         # the group interface.
         logger.info("PBC overlap not reported")
 
-    clear_pbc_overlap(dev, apdev[0]['ifname'])
+    clear_pbc_overlap(dev, apdev[0])
 
 def test_grpform_goneg_fail_with_group_iface(dev):
     """P2P group formation fails while using group interface"""
diff --git a/tests/hwsim/test_pmksa_cache.py b/tests/hwsim/test_pmksa_cache.py
index 88a8df8..1cb0724 100644
--- a/tests/hwsim/test_pmksa_cache.py
+++ b/tests/hwsim/test_pmksa_cache.py
@@ -756,7 +756,7 @@ def test_pmksa_cache_size_limit(dev, apdev):
         _test_pmksa_cache_size_limit(dev, apdev)
     finally:
         try:
-            hapd = hostapd.HostapdGlobal()
+            hapd = hostapd.HostapdGlobal(apdev[0])
             hapd.flush()
             hapd.remove(apdev[0]['ifname'])
         except:
@@ -791,7 +791,7 @@ def _test_pmksa_cache_size_limit(dev, apdev):
         elif i + 1 != entries:
             raise Exception("Unexpected number of PMKSA entries")
 
-        hapd = hostapd.HostapdGlobal()
+        hapd = hostapd.HostapdGlobal(apdev[0])
         hapd.flush()
         hapd.remove(apdev[0]['ifname'])
 
diff --git a/tests/hwsim/test_rfkill.py b/tests/hwsim/test_rfkill.py
index cb1e863..3b0aa6c 100644
--- a/tests/hwsim/test_rfkill.py
+++ b/tests/hwsim/test_rfkill.py
@@ -207,7 +207,7 @@ def test_rfkill_hostapd(dev, apdev):
         dev[0].request("DISCONNECT")
         hapd.disable()
 
-        hglobal = HostapdGlobal()
+        hglobal = HostapdGlobal(apdev[0])
         hglobal.flush()
         hglobal.remove(apdev[0]['ifname'])
 
-- 
1.9.1


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