tests: Add a test case for HT40 co-ex scan

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

tests/hwsim/test_ap_ht.py

@@ -0,0 +1,47 @@
+#!/usr/bin/python
+#
+# Test cases for HT operations with hostapd
+# 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 time
+import logging
+logger = logging.getLogger()
+
+import hostapd
+
+def test_ap_ht40_scan(dev, apdev):
+    """HT40 co-ex scan"""
+    params = { "ssid": "test-ht40",
+               "channel": "5",
+               "ht_capab": "[HT40-]"}
+    hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+    state = hapd.get_status_field("state")
+    if state != "HT_SCAN":
+        time.wait(0.1)
+        state = hapd.get_status_field("state")
+        if state != "HT_SCAN":
+            raise Exception("Unexpected interface state - expected HT_SCAN")
+
+    ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
+    if not ev:
+        raise Exception("AP setup timed out")
+
+    state = hapd.get_status_field("state")
+    if state != "ENABLED":
+        raise Exception("Unexpected interface state - expected ENABLED")
+
+    freq = hapd.get_status_field("freq")
+    if freq != "2432":
+        raise Exception("Unexpected frequency")
+    pri = hapd.get_status_field("channel")
+    if pri != "5":
+        raise Exception("Unexpected primary channel")
+    sec = hapd.get_status_field("secondary_channel")
+    if sec != "-1":
+        raise Exception("Unexpected secondary channel")
+
+    dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)