tests: WEXT functionality

It did not look like open mode association completed with WEXT.. I'm
commenting that test case out for now since WPA2-PSK worked. If you care
about WEXT, feel free to fix it and submit a patch to remove the
"REMOVED_" prefix here..

Signed-hostap: Jouni Malinen <j@w1.fi>

tests/hwsim/test_wext.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python
+#
+# Deprecated WEXT driver interface in wpa_supplicant
+# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import logging
+logger = logging.getLogger()
+import os
+
+import hostapd
+import hwsim_utils
+from wpasupplicant import WpaSupplicant
+
+# It did not look like open mode association completed with WEXT.. Commenting
+# this test case out for now. If you care about WEXT, feel free to fix it and
+# submit a patch to remove the "REMOVED_" prefix here..
+def REMOVED_test_wext_open(dev, apdev):
+    """WEXT driver interface with open network"""
+    if not os.path.exists("/proc/net/wireless"):
+        logger.info("WEXT support not included in the kernel")
+        return "skip"
+
+    params = { "ssid": "wext-open" }
+    hostapd.add_ap(apdev[0]['ifname'], params)
+
+    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
+    try:
+        wpas.interface_add("wlan5", driver="wext")
+    except Exception, e:
+        logger.info("WEXT driver support not included in wpa_supplicant")
+        return "skip"
+
+    wpas.connect("wext-open", key_mgmt="NONE")
+    hwsim_utils.test_connectivity(wpas.ifname, apdev[0]['ifname'])
+
+def test_wext_wpa2_psk(dev, apdev):
+    """WEXT driver interface with WPA2-PSK"""
+    if not os.path.exists("/proc/net/wireless"):
+        logger.info("WEXT support not included in the kernel")
+        return "skip"
+
+    params = hostapd.wpa2_params(ssid="wext-wpa2-psk", passphrase="12345678")
+    hostapd.add_ap(apdev[0]['ifname'], params)
+
+    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
+    try:
+        wpas.interface_add("wlan5", driver="wext")
+    except Exception, e:
+        logger.info("WEXT driver support not included in wpa_supplicant")
+        return "skip"
+
+    wpas.connect("wext-wpa2-psk", psk="12345678")
+    hwsim_utils.test_connectivity(wpas.ifname, apdev[0]['ifname'])