tests: wpa_supplicant INTERFACE_ADD/REMOVE with large number of vifs

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

tests/hwsim/test_wpas_ctrl.py

@@ -1364,6 +1364,30 @@ def test_wpas_ctrl_interface_add(dev, apdev):
     dev[0].global_request("INTERFACE_REMOVE " + ifname)
     hwsim_utils.test_connectivity(dev[0], hapd)
 
+def test_wpas_ctrl_interface_add_many(dev, apdev):
+    """wpa_supplicant INTERFACE_ADD/REMOVE with vif creation/removal (many)"""
+    try:
+        _test_wpas_ctrl_interface_add_many(dev, apdev)
+    finally:
+        for i in range(10):
+            ifname = "test%d-" % i + dev[0].ifname
+            dev[0].global_request("INTERFACE_REMOVE " + ifname)
+
+def _test_wpas_ctrl_interface_add_many(dev, apdev):
+    hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
+    dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
+    hwsim_utils.test_connectivity(dev[0], hapd)
+
+    l = []
+    for i in range(10):
+        ifname = "test%d-" % i + dev[0].ifname
+        dev[0].interface_add(ifname, create=True)
+        wpas = WpaSupplicant(ifname=ifname)
+        wpas.connect("open", key_mgmt="NONE", scan_freq="2412")
+        l.append(wpas)
+    for wpas in l:
+        hwsim_utils.test_connectivity(wpas, hapd)
+
 def test_wpas_ctrl_interface_add2(dev, apdev):
     """wpa_supplicant INTERFACE_ADD/REMOVE with vif without creation/removal"""
     ifname = "test-ext-" + dev[0].ifname