From 084316bfd63542cb5baabb80c98836077ec8be26 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Fri, 31 Jan 2014 22:13:23 +0200 Subject: [PATCH] tests: HT40 OBSS scan and 20/40 MHz co-ex report Signed-hostap: Jouni Malinen --- tests/hwsim/test_ap_ht.py | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/tests/hwsim/test_ap_ht.py b/tests/hwsim/test_ap_ht.py index d0ee300a9..e98a77499 100644 --- a/tests/hwsim/test_ap_ht.py +++ b/tests/hwsim/test_ap_ht.py @@ -9,6 +9,7 @@ import time import logging logger = logging.getLogger() +import struct import hostapd @@ -45,3 +46,41 @@ def test_ap_ht40_scan(dev, apdev): raise Exception("Unexpected secondary channel") dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq) + +def test_obss_scan(dev, apdev): + """Overlapping BSS scan request""" + params = { "ssid": "obss-scan", + "channel": "6", + "ht_capab": "[HT40-]", + "obss_interval": "10" } + hapd = hostapd.add_ap(apdev[0]['ifname'], params) + dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437") + hapd.set("ext_mgmt_frame_handling", "1") + logger.info("Waiting for OBSS scan to occur") + ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=15) + if ev is None: + raise Exception("Timed out while waiting for OBSS scan to start") + ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=10) + if ev is None: + raise Exception("Timed out while waiting for OBSS scan results") + received = False + for i in range(0, 4): + frame = hapd.mgmt_rx(timeout=5) + if frame is None: + raise Exception("MGMT RX wait timed out") + if frame['subtype'] != 13: + continue + payload = frame['payload'] + if len(payload) < 3: + continue + (category, action, ie) = struct.unpack('BBB', payload[0:3]) + if category != 4: + continue + if action != 0: + continue + if ie == 72: + logger.info("20/40 BSS Coexistence report received") + received = True + break + if not received: + raise Exception("20/40 BSS Coexistence report not seen")