--- /dev/null
+# Test cases for HT operations with hostapd
+# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+from remotehost import remote_compatible
+import time
+import logging
+logger = logging.getLogger()
+import struct
+
+import hostapd
+from utils import HwsimSkip, alloc_fail
+import hwsim_utils
+from test_ap_csa import csa_supported
+
+def clear_scan_cache(apdev):
+ ifname = apdev['ifname']
+ hostapd.cmd_execute(apdev, ['ifconfig', ifname, 'up'])
+ hostapd.cmd_execute(apdev, ['iw', ifname, 'scan', 'trigger', 'freq', '2412',
+ 'flush'])
+ time.sleep(0.1)
+ hostapd.cmd_execute(apdev, ['ifconfig', ifname, 'down'])
+
+def set_world_reg(apdev0=None, apdev1=None, dev0=None):
+ if apdev0:
+ hostapd.cmd_execute(apdev0, ['iw', 'reg', 'set', '00'])
+ if apdev1:
+ hostapd.cmd_execute(apdev1, ['iw', 'reg', 'set', '00'])
+ if dev0:
+ dev0.cmd_execute(['iw', 'reg', 'set', '00'])
+
+def test_ap_ht40_scan(dev, apdev):
+ """HT40 co-ex scan"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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)
+
+@remote_compatible
+def test_ap_ht40_scan_conflict(dev, apdev):
+ """HT40 co-ex scan conflict"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "test-ht40",
+ "channel": "6",
+ "ht_capab": "[HT40+]"}
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "0":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+@remote_compatible
+def test_ap_ht40_scan_conflict2(dev, apdev):
+ """HT40 co-ex scan conflict (HT40-)"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "test-ht40",
+ "channel": "11",
+ "ht_capab": "[HT40-]"}
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "1",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "2412":
+ raise Exception("Unexpected frequency")
+ pri = hapd.get_status_field("channel")
+ if pri != "1":
+ raise Exception("Unexpected primary channel")
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+def test_ap_ht40_scan_not_affected(dev, apdev):
+ """HT40 co-ex scan and other BSS not affected"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "test-ht20",
+ "channel": "11" }
+ hostapd.add_ap(apdev[1], params)
+
+ hostapd.cmd_execute(apdev[0], ['ifconfig', apdev[0]['ifname'], 'up'])
+ hostapd.cmd_execute(apdev[0], ['iw', apdev[0]['ifname'], 'scan', 'trigger',
+ 'freq', '2462'])
+ time.sleep(0.5)
+ hostapd.cmd_execute(apdev[0], ['iw', apdev[0]['ifname'], 'scan', 'dump'])
+ time.sleep(0.1)
+ hostapd.cmd_execute(apdev[0], ['ifconfig', apdev[0]['ifname'], 'down'])
+
+ params = { "ssid": "test-ht40",
+ "channel": "1",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "2412":
+ raise Exception("Unexpected frequency")
+ pri = hapd.get_status_field("channel")
+ if pri != "1":
+ raise Exception("Unexpected primary channel")
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "1":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+@remote_compatible
+def test_ap_ht40_scan_legacy_conflict(dev, apdev):
+ """HT40 co-ex scan conflict with legacy 20 MHz AP"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "legacy-20",
+ "channel": "7", "ieee80211n": "0" }
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "5":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+@remote_compatible
+def test_ap_ht40_scan_ht20_conflict(dev, apdev):
+ """HT40 co-ex scan conflict with HT 20 MHz AP"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "ht-20",
+ "channel": "7", "ieee80211n": "1" }
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "5":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+def test_ap_ht40_scan_intolerant(dev, apdev):
+ """HT40 co-ex scan finding an AP advertising 40 MHz intolerant"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "another-bss",
+ "channel": "1",
+ "ht_capab": "[40-INTOLERANT]" }
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "1",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "2412":
+ raise Exception("Unexpected frequency: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "1":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+def test_ap_ht40_scan_match(dev, apdev):
+ """HT40 co-ex scan matching configuration"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+
+def test_ap_ht40_5ghz_match(dev, apdev):
+ """HT40 co-ex scan on 5 GHz with matching pri/sec channel"""
+ clear_scan_cache(apdev[0])
+ try:
+ hapd = None
+ hapd2 = None
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "36",
+ "country_code": "US",
+ "ht_capab": "[HT40+]"}
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "36",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "5180":
+ raise Exception("Unexpected frequency")
+ pri = hapd.get_status_field("channel")
+ if pri != "36":
+ raise Exception("Unexpected primary channel")
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "1":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ if hapd2:
+ hapd2.request("DISABLE")
+ set_world_reg(apdev[0], apdev[1], dev[0])
+ dev[0].flush_scan_cache()
+
+def test_ap_ht40_5ghz_switch(dev, apdev):
+ """HT40 co-ex scan on 5 GHz switching pri/sec channel"""
+ clear_scan_cache(apdev[0])
+ try:
+ hapd = None
+ hapd2 = None
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "36",
+ "country_code": "US",
+ "ht_capab": "[HT40+]"}
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "40",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "5180":
+ raise Exception("Unexpected frequency: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "36":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "1":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ if hapd2:
+ hapd2.request("DISABLE")
+ set_world_reg(apdev[0], apdev[1], dev[0])
+
+def test_ap_ht40_5ghz_switch2(dev, apdev):
+ """HT40 co-ex scan on 5 GHz switching pri/sec channel (2)"""
+ clear_scan_cache(apdev[0])
+ try:
+ hapd = None
+ hapd2 = None
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "36",
+ "country_code": "US",
+ "ht_capab": "[HT40+]"}
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ id = dev[0].add_network()
+ dev[0].set_network(id, "mode", "2")
+ dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
+ dev[0].set_network(id, "key_mgmt", "NONE")
+ dev[0].set_network(id, "frequency", "5200")
+ dev[0].set_network(id, "scan_freq", "5200")
+ dev[0].select_network(id)
+ time.sleep(1)
+
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "40",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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 != "5180":
+ raise Exception("Unexpected frequency: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "36":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "1":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ if hapd2:
+ hapd2.request("DISABLE")
+ set_world_reg(apdev[0], apdev[1], dev[0])
+ dev[0].flush_scan_cache()
+
+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], params)
+
+ params = { "ssid": "another-bss",
+ "channel": "9",
+ "ieee80211n": "0" }
+ hostapd.add_ap(apdev[1], params)
+ run_obss_scan(hapd, dev)
+
+def test_obss_scan_ht40_plus(dev, apdev):
+ """Overlapping BSS scan request (HT40+)"""
+ params = { "ssid": "obss-scan",
+ "channel": "6",
+ "ht_capab": "[HT40+]",
+ "obss_interval": "10" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ params = { "ssid": "another-bss",
+ "channel": "9",
+ "ieee80211n": "0" }
+ hostapd.add_ap(apdev[1], params)
+ run_obss_scan(hapd, dev)
+
+def run_obss_scan(hapd, dev):
+ 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")
+
+def test_obss_scan_40_intolerant(dev, apdev):
+ """Overlapping BSS scan request with 40 MHz intolerant AP"""
+ params = { "ssid": "obss-scan",
+ "channel": "6",
+ "ht_capab": "[HT40-]",
+ "obss_interval": "10" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ params = { "ssid": "another-bss",
+ "channel": "7",
+ "ht_capab": "[40-INTOLERANT]" }
+ hostapd.add_ap(apdev[1], 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")
+
+def test_obss_coex_report_handling(dev, apdev):
+ """Overlapping BSS scan report handling with obss_interval=0"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "obss-scan",
+ "channel": "6",
+ "ht_capab": "[HT40-]" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
+
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "-1":
+ raise Exception("AP is not using 40 MHz channel")
+
+ # 20/40 MHz co-ex report tests: number of invalid reports and a valid report
+ # that forces 20 MHz channel.
+ tests = [ '0400', '040048', '04004801', '0400480000', '0400490100',
+ '040048ff0000', '04004801ff49ff00', '04004801004900',
+ '0400480100490101', '0400480100490201ff',
+ '040048010449020005' ]
+ for msg in tests:
+ req = "MGMT_TX {} {} freq=2437 action={}".format(bssid, bssid, msg)
+ if "OK" not in dev[0].request(req):
+ raise Exception("Could not send management frame")
+ time.sleep(0.5)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("AP did not move to 20 MHz channel")
+
+def test_obss_coex_report_handling1(dev, apdev):
+ """Overlapping BSS scan report handling with obss_interval=1"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "obss-scan",
+ "channel": "6",
+ "ht_capab": "[HT40+]",
+ "obss_interval": "1" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
+
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "1":
+ raise Exception("AP is not using 40 MHz channel")
+
+ # 20/40 MHz co-ex report forcing 20 MHz channel
+ msg = '040048010449020005'
+ req = "MGMT_TX {} {} freq=2437 action={}".format(bssid, bssid, msg)
+ if "OK" not in dev[0].request(req):
+ raise Exception("Could not send management frame")
+ time.sleep(0.5)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("AP did not move to 20 MHz channel")
+
+ # No 20/40 MHz co-ex reports forcing 20 MHz channel during next interval
+ for i in range(20):
+ sec = hapd.get_status_field("secondary_channel")
+ if sec == "1":
+ break
+ time.sleep(0.5)
+ if sec != "1":
+ raise Exception("AP did not return to 40 MHz channel")
+
+def test_olbc(dev, apdev):
+ """OLBC detection"""
+ params = { "ssid": "test-olbc",
+ "channel": "6",
+ "ht_capab": "[HT40-]",
+ "ap_table_expiration_time": "2" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ status = hapd.get_status()
+ if status['olbc'] != '0' or status['olbc_ht'] != '0':
+ raise Exception("Unexpected OLBC information")
+
+ params = { "ssid": "olbc-ap",
+ "hw_mode": "b",
+ "channel": "6",
+ "wmm_enabled": "0" }
+ hostapd.add_ap(apdev[1], params)
+ time.sleep(0.5)
+ status = hapd.get_status()
+ if status['olbc'] != '1' or status['olbc_ht'] != '1':
+ raise Exception("Missing OLBC information")
+
+ hostapd.remove_bss(apdev[1])
+
+ logger.info("Waiting for OLBC state to time out")
+ cleared = False
+ for i in range(0, 15):
+ time.sleep(1)
+ status = hapd.get_status()
+ if status['olbc'] == '0' and status['olbc_ht'] == '0':
+ cleared = True
+ break
+ if not cleared:
+ raise Exception("OLBC state did nto time out")
+
+def test_olbc_table_limit(dev, apdev):
+ """OLBC AP table size limit"""
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ ifname3 = apdev[0]['ifname'] + '-3'
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+
+ params = { "ssid": "test-olbc",
+ "channel": "1",
+ "ap_table_max_size": "2" }
+ hapd = hostapd.add_ap(apdev[1], params)
+
+ time.sleep(0.3)
+ with alloc_fail(hapd, 1, "ap_list_process_beacon"):
+ time.sleep(0.3)
+ hapd.set("ap_table_max_size", "1")
+ time.sleep(0.3)
+ hapd.set("ap_table_max_size", "0")
+ time.sleep(0.3)
+
+def test_olbc_5ghz(dev, apdev):
+ """OLBC detection on 5 GHz"""
+ try:
+ hapd = None
+ hapd2 = None
+ params = { "ssid": "test-olbc",
+ "country_code": "FI",
+ "hw_mode": "a",
+ "channel": "36",
+ "ht_capab": "[HT40+]" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ status = hapd.get_status()
+ if status['olbc'] != '0' or status['olbc_ht'] != '0':
+ raise Exception("Unexpected OLBC information")
+
+ params = { "ssid": "olbc-ap",
+ "country_code": "FI",
+ "hw_mode": "a",
+ "channel": "36",
+ "ieee80211n": "0",
+ "wmm_enabled": "0" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+ found = False
+ for i in range(20):
+ time.sleep(0.1)
+ status = hapd.get_status()
+ logger.debug('olbc_ht: ' + status['olbc_ht'])
+ if status['olbc_ht'] == '1':
+ found = True
+ break
+ if not found:
+ raise Exception("Missing OLBC information")
+ finally:
+ if hapd:
+ hapd.request("DISABLE")
+ if hapd2:
+ hapd2.request("DISABLE")
+ set_world_reg(apdev[0], apdev[1], None)
+
+def test_ap_require_ht(dev, apdev):
+ """Require HT"""
+ params = { "ssid": "require-ht",
+ "require_ht": "1" }
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ dev[1].connect("require-ht", key_mgmt="NONE", scan_freq="2412",
+ disable_ht="1", wait_connect=False)
+ dev[0].connect("require-ht", key_mgmt="NONE", scan_freq="2412")
+ ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
+ dev[1].request("DISCONNECT")
+ if ev is None:
+ raise Exception("Association rejection timed out")
+ if "status_code=27" not in ev:
+ raise Exception("Unexpected rejection status code")
+ dev[2].connect("require-ht", key_mgmt="NONE", scan_freq="2412",
+ ht_mcs="0x01 00 00 00 00 00 00 00 00 00",
+ disable_max_amsdu="1", ampdu_factor="2",
+ ampdu_density="1", disable_ht40="1", disable_sgi="1",
+ disable_ldpc="1")
+
+@remote_compatible
+def test_ap_require_ht_limited_rates(dev, apdev):
+ """Require HT with limited supported rates"""
+ params = { "ssid": "require-ht",
+ "supported_rates": "60 120 240 360 480 540",
+ "require_ht": "1" }
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ dev[1].connect("require-ht", key_mgmt="NONE", scan_freq="2412",
+ disable_ht="1", wait_connect=False)
+ dev[0].connect("require-ht", key_mgmt="NONE", scan_freq="2412")
+ ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
+ dev[1].request("DISCONNECT")
+ if ev is None:
+ raise Exception("Association rejection timed out")
+ if "status_code=27" not in ev:
+ raise Exception("Unexpected rejection status code")
+
+@remote_compatible
+def test_ap_ht_capab_not_supported(dev, apdev):
+ """HT configuration with driver not supporting all ht_capab entries"""
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-][LDPC][SMPS-STATIC][SMPS-DYNAMIC][GF][SHORT-GI-20][SHORT-GI-40][TX-STBC][RX-STBC1][RX-STBC12][RX-STBC123][DELAYED-BA][MAX-AMSDU-7935][DSSS_CCK-40][LSIG-TXOP-PROT]"}
+ hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
+ if "FAIL" not in hapd.request("ENABLE"):
+ raise Exception("Unexpected ENABLE success")
+
+def test_ap_ht_40mhz_intolerant_sta(dev, apdev):
+ """Associated STA indicating 40 MHz intolerant"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "intolerant",
+ "channel": "6",
+ "ht_capab": "[HT40-]" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ if hapd.get_status_field("num_sta_ht40_intolerant") != "0":
+ raise Exception("Unexpected num_sta_ht40_intolerant value")
+ if hapd.get_status_field("secondary_channel") != "-1":
+ raise Exception("Unexpected secondary_channel")
+
+ dev[0].connect("intolerant", key_mgmt="NONE", scan_freq="2437")
+ if hapd.get_status_field("num_sta_ht40_intolerant") != "0":
+ raise Exception("Unexpected num_sta_ht40_intolerant value")
+ if hapd.get_status_field("secondary_channel") != "-1":
+ raise Exception("Unexpected secondary_channel")
+
+ dev[2].connect("intolerant", key_mgmt="NONE", scan_freq="2437",
+ ht40_intolerant="1")
+ time.sleep(1)
+ if hapd.get_status_field("num_sta_ht40_intolerant") != "1":
+ raise Exception("Unexpected num_sta_ht40_intolerant value (expected 1)")
+ if hapd.get_status_field("secondary_channel") != "0":
+ raise Exception("Unexpected secondary_channel (did not disable 40 MHz)")
+
+ dev[2].request("DISCONNECT")
+ time.sleep(1)
+ if hapd.get_status_field("num_sta_ht40_intolerant") != "0":
+ raise Exception("Unexpected num_sta_ht40_intolerant value (expected 0)")
+ if hapd.get_status_field("secondary_channel") != "-1":
+ raise Exception("Unexpected secondary_channel (did not re-enable 40 MHz)")
+
+def test_ap_ht_40mhz_intolerant_ap(dev, apdev):
+ """Associated STA reports 40 MHz intolerant AP after association"""
+ clear_scan_cache(apdev[0])
+ params = { "ssid": "ht",
+ "channel": "6",
+ "ht_capab": "[HT40-]",
+ "obss_interval": "3" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ dev[0].connect("ht", key_mgmt="NONE", scan_freq="2437")
+
+ if hapd.get_status_field("secondary_channel") != "-1":
+ raise Exception("Unexpected secondary channel information")
+
+ logger.info("Start 40 MHz intolerant AP")
+ params = { "ssid": "intolerant",
+ "channel": "5",
+ "ht_capab": "[40-INTOLERANT]" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ logger.info("Waiting for co-ex report from STA")
+ ok = False
+ for i in range(0, 20):
+ time.sleep(1)
+ if hapd.get_status_field("secondary_channel") == "0":
+ logger.info("AP moved to 20 MHz channel")
+ ok = True
+ break
+ if not ok:
+ raise Exception("AP did not move to 20 MHz channel")
+
+ if "OK" not in hapd2.request("DISABLE"):
+ raise Exception("Failed to disable 40 MHz intolerant AP")
+
+ # make sure the intolerant AP disappears from scan results more quickly
+ dev[0].scan(type="ONLY", freq="2432", only_new=True)
+ dev[0].scan(type="ONLY", freq="2432", only_new=True)
+ dev[0].dump_monitor()
+
+ logger.info("Waiting for AP to move back to 40 MHz channel")
+ ok = False
+ for i in range(0, 30):
+ time.sleep(1)
+ if hapd.get_status_field("secondary_channel") == "-1":
+ logger.info("AP moved to 40 MHz channel")
+ ok = True
+ break
+ if not ok:
+ raise Exception("AP did not move to 40 MHz channel")
+
+def test_ap_ht40_csa(dev, apdev):
+ """HT with 40 MHz channel width and CSA"""
+ csa_supported(dev[0])
+ try:
+ hapd = None
+ params = { "ssid": "ht",
+ "country_code": "US",
+ "hw_mode": "a",
+ "channel": "36",
+ "ht_capab": "[HT40+]",
+ "ieee80211n": "1" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ dev[0].connect("ht", key_mgmt="NONE", scan_freq="5180")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5200 ht sec_channel_offset=-1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5200" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5180 ht sec_channel_offset=1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5180" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ set_world_reg(apdev[0], None, dev[0])
+ dev[0].flush_scan_cache()
+
+def test_ap_ht40_csa2(dev, apdev):
+ """HT with 40 MHz channel width and CSA"""
+ csa_supported(dev[0])
+ try:
+ hapd = None
+ params = { "ssid": "ht",
+ "country_code": "US",
+ "hw_mode": "a",
+ "channel": "36",
+ "ht_capab": "[HT40+]",
+ "ieee80211n": "1" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ dev[0].connect("ht", key_mgmt="NONE", scan_freq="5180")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5220 ht sec_channel_offset=1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5220" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5180 ht sec_channel_offset=1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5180" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ set_world_reg(apdev[0], None, dev[0])
+ dev[0].flush_scan_cache()
+
+def test_ap_ht40_csa3(dev, apdev):
+ """HT with 40 MHz channel width and CSA"""
+ csa_supported(dev[0])
+ try:
+ hapd = None
+ params = { "ssid": "ht",
+ "country_code": "US",
+ "hw_mode": "a",
+ "channel": "36",
+ "ht_capab": "[HT40+]",
+ "ieee80211n": "1" }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ dev[0].connect("ht", key_mgmt="NONE", scan_freq="5180")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5240 ht sec_channel_offset=-1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5240" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5180 ht sec_channel_offset=1 bandwidth=40")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5180" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected STA disconnection during CSA")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ finally:
+ dev[0].request("DISCONNECT")
+ if hapd:
+ hapd.request("DISABLE")
+ set_world_reg(apdev[0], None, dev[0])
+ dev[0].flush_scan_cache()
+
+@remote_compatible
+def test_ap_ht_smps(dev, apdev):
+ """SMPS AP configuration options"""
+ params = { "ssid": "ht1", "ht_capab": "[SMPS-STATIC]" }
+ try:
+ hapd = hostapd.add_ap(apdev[0], params)
+ except:
+ raise HwsimSkip("Assume mac80211_hwsim was not recent enough to support SMPS")
+ params = { "ssid": "ht2", "ht_capab": "[SMPS-DYNAMIC]" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ dev[0].connect("ht1", key_mgmt="NONE", scan_freq="2412")
+ dev[1].connect("ht2", key_mgmt="NONE", scan_freq="2412")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ hwsim_utils.test_connectivity(dev[1], hapd2)
+
+@remote_compatible
+def test_prefer_ht20(dev, apdev):
+ """Preference on HT20 over no-HT"""
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "0" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "1" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].scan_for_bss(bssid, freq=2412)
+ dev[0].scan_for_bss(bssid2, freq=2412)
+ dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
+ if dev[0].get_status_field('bssid') != bssid2:
+ raise Exception("Unexpected BSS selected")
+
+ est = dev[0].get_bss(bssid)['est_throughput']
+ if est != "54000":
+ raise Exception("Unexpected BSS0 est_throughput: " + est)
+
+ est = dev[0].get_bss(bssid2)['est_throughput']
+ if est != "65000":
+ raise Exception("Unexpected BSS1 est_throughput: " + est)
+
+def test_prefer_ht40(dev, apdev):
+ """Preference on HT40 over HT20"""
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "1" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "1",
+ "ht_capab": "[HT40+]" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].scan_for_bss(bssid, freq=2412)
+ dev[0].scan_for_bss(bssid2, freq=2412)
+ dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
+ if dev[0].get_status_field('bssid') != bssid2:
+ raise Exception("Unexpected BSS selected")
+
+ est = dev[0].get_bss(bssid)['est_throughput']
+ if est != "65000":
+ raise Exception("Unexpected BSS0 est_throughput: " + est)
+
+ est = dev[0].get_bss(bssid2)['est_throughput']
+ if est != "135000":
+ raise Exception("Unexpected BSS1 est_throughput: " + est)
+
+@remote_compatible
+def test_prefer_ht20_during_roam(dev, apdev):
+ """Preference on HT20 over no-HT in roaming consideration"""
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "0" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+
+ dev[0].scan_for_bss(bssid, freq=2412)
+ dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
+
+ params = { "ssid": "test",
+ "channel": "1",
+ "ieee80211n": "1" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+ dev[0].scan_for_bss(bssid2, freq=2412)
+ dev[0].scan(freq=2412)
+ dev[0].wait_connected()
+
+ if dev[0].get_status_field('bssid') != bssid2:
+ raise Exception("Unexpected BSS selected")
+
+@remote_compatible
+def test_ap_ht40_5ghz_invalid_pair(dev, apdev):
+ """HT40 on 5 GHz with invalid channel pair"""
+ clear_scan_cache(apdev[0])
+ try:
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "40",
+ "country_code": "US",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+ ev = hapd.wait_event(["AP-DISABLED", "AP-ENABLED"], timeout=10)
+ if not ev:
+ raise Exception("AP setup failure timed out")
+ if "AP-ENABLED" in ev:
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Invalid 40 MHz channel accepted")
+ finally:
+ set_world_reg(apdev[0], None, None)
+
+@remote_compatible
+def test_ap_ht40_5ghz_disabled_sec(dev, apdev):
+ """HT40 on 5 GHz with disabled secondary channel"""
+ clear_scan_cache(apdev[0])
+ try:
+ params = { "ssid": "test-ht40",
+ "hw_mode": "a",
+ "channel": "48",
+ "country_code": "US",
+ "ht_capab": "[HT40+]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+ ev = hapd.wait_event(["AP-DISABLED", "AP-ENABLED"], timeout=10)
+ if not ev:
+ raise Exception("AP setup failure timed out")
+ if "AP-ENABLED" in ev:
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "0":
+ raise Exception("Invalid 40 MHz channel accepted")
+ finally:
+ set_world_reg(apdev[0], None, None)
+
+def test_ap_ht40_scan_broken_ap(dev, apdev):
+ """HT40 co-ex scan and broken legacy/HT AP"""
+ clear_scan_cache(apdev[0])
+
+ # Broken AP: Include HT Capabilities element but not HT Operation element
+ params = { "ssid": "legacy-20",
+ "channel": "7", "ieee80211n": "0",
+ "wmm_enabled": "1",
+ "vendor_elements": "2d1a0e001bffff000000000000000000000100000000000000000000" }
+ hapd2 = hostapd.add_ap(apdev[1], params)
+
+ params = { "ssid": "test-ht40",
+ "channel": "5",
+ "ht_capab": "[HT40-]"}
+ hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
+
+ state = hapd.get_status_field("state")
+ if state != "HT_SCAN":
+ time.sleep(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: " + freq)
+ pri = hapd.get_status_field("channel")
+ if pri != "5":
+ raise Exception("Unexpected primary channel: " + pri)
+ sec = hapd.get_status_field("secondary_channel")
+ if sec != "-1":
+ raise Exception("Unexpected secondary channel: " + sec)
+
+ dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
+ dev[1].connect("legacy-20", key_mgmt="NONE", scan_freq="2442")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ hwsim_utils.test_connectivity(dev[1], hapd2)