tests: VHT functionality

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

tests/hwsim/test_ap_vht.py

@@ -0,0 +1,70 @@
+# Test cases for VHT operations with hostapd
+# Copyright (c) 2014, Qualcomm Atheros, Inc.
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import logging
+logger = logging.getLogger()
+import subprocess
+
+import hwsim_utils
+import hostapd
+
+def vht_supported():
+    cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
+    reg = cmd.stdout.read()
+    if "@ 80)" in reg or "@ 160)" in reg:
+        return True
+    return False
+
+def test_ap_vht80(dev, apdev):
+    """VHT with 80 MHz channel width"""
+    try:
+        params = { "ssid": "vht",
+                   "country_code": "FI",
+                   "hw_mode": "a",
+                   "channel": "36",
+                   "ht_capab": "[HT40+]",
+                   "ieee80211n": "1",
+                   "ieee80211ac": "1",
+                   "vht_oper_chwidth": "1",
+                   "vht_oper_centr_freq_seg0_idx": "42" }
+        hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+        dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
+        hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
+    except Exception, e:
+        if isinstance(e, Exception) and str(e) == "AP startup failed":
+            if not vht_supported():
+                logger.info("80 MHz channel not supported in regulatory information")
+                return "skip"
+        raise
+    finally:
+        subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
+
+def test_ap_vht80_params(dev, apdev):
+    """VHT with 80 MHz channel width and number of optional features enabled"""
+    try:
+        params = { "ssid": "vht",
+                   "country_code": "FI",
+                   "hw_mode": "a",
+                   "channel": "36",
+                   "ht_capab": "[HT40+][SHORT-GI-40][DSS_CCK-40]",
+                   "ieee80211n": "1",
+                   "ieee80211ac": "1",
+                   "vht_oper_chwidth": "1",
+                   "vht_capab": "[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][MAX-A-MPDU-LEN-EXP0]",
+                   "vht_oper_centr_freq_seg0_idx": "42" }
+        hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+        dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
+        hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
+    except Exception, e:
+        if isinstance(e, Exception) and str(e) == "AP startup failed":
+            if not vht_supported():
+                logger.info("80 MHz channel not supported in regulatory information")
+                return "skip"
+        raise
+    finally:
+        subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])