hostap/tests/hwsim/test_ap_ht.py
Jouni Malinen 85b60adddd tests: Make ap_ht40_csa and ap_ht40_csa3 less likely to fail
It looks like cfg80211 can trigger disconnection even without disabling
HT, so the same issue may be hit with both of the channel switches in
these test cases.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-10-25 23:19:48 +03:00

733 lines
28 KiB
Python

# 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.
import time
import logging
logger = logging.getLogger()
import struct
import subprocess
import hostapd
import hwsim_utils
from test_ap_csa import csa_supported
def clear_scan_cache(ifname):
subprocess.call(['sudo', 'ifconfig', ifname, 'up'])
subprocess.call(['sudo', 'iw', ifname, 'scan', 'freq', '2412', 'flush'])
time.sleep(0.1)
subprocess.call(['sudo', 'ifconfig', ifname, 'down'])
def test_ap_ht40_scan(dev, apdev):
"""HT40 co-ex scan"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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)
def test_ap_ht40_scan_conflict(dev, apdev):
"""HT40 co-ex scan conflict"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "test-ht40",
"channel": "6",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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)
def test_ap_ht40_scan_legacy_conflict(dev, apdev):
"""HT40 co-ex scan conflict with legacy 20 MHz AP"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "legacy-20",
"channel": "7", "ieee80211n": "0" }
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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_match(dev, apdev):
"""HT40 co-ex scan matching configuration"""
clear_scan_cache(apdev[0]['ifname'])
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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]['ifname'])
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_ht40_5ghz_switch(dev, apdev):
"""HT40 co-ex scan on 5 GHz switching pri/sec channel"""
clear_scan_cache(apdev[0]['ifname'])
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "40",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], 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:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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]['ifname'])
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], 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]['ifname'], 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:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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)
params = { "ssid": "another-bss",
"channel": "9",
"ieee80211n": "0" }
hostapd.add_ap(apdev[1]['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")
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]['ifname'], params)
params = { "ssid": "another-bss",
"channel": "7",
"ht_capab": "[40-INTOLERANT]" }
hostapd.add_ap(apdev[1]['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")
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]['ifname'], 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]['ifname'], params)
time.sleep(0.5)
status = hapd.get_status()
if status['olbc'] != '1' or status['olbc_ht'] != '1':
raise Exception("Missing OLBC information")
hapd_global = hostapd.HostapdGlobal()
hapd_global.remove(apdev[1]['ifname'])
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_5ghz(dev, apdev):
"""OLBC detection on 5 GHz"""
try:
params = { "ssid": "test-olbc",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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" }
hostapd.add_ap(apdev[1]['ifname'], params)
time.sleep(0.5)
status = hapd.get_status()
if status['olbc_ht'] != '1':
raise Exception("Missing OLBC information")
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_require_ht(dev, apdev):
"""Require HT"""
params = { "ssid": "require-ht",
"require_ht": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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"])
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")
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]['ifname'], 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"])
if ev is None:
raise Exception("Association rejection timed out")
if "status_code=27" not in ev:
raise Exception("Unexpected rejection status code")
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]['ifname'], 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]['ifname'])
params = { "ssid": "intolerant",
"channel": "6",
"ht_capab": "[HT40-]" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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]['ifname'])
params = { "ssid": "ht",
"channel": "6",
"ht_capab": "[HT40-]",
"obss_interval": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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]['ifname'], 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(only_new=True)
dev[0].scan(freq="2432", only_new=True)
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":
ok = True
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"""
if not csa_supported(dev[0]):
return "skip"
try:
params = { "ssid": "ht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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:
# This looks like a mac80211/cfg80211 bug - don't record FAIL until
# that gets fixed.
#raise Exception("Unexpected STA disconnection during CSA")
logger.info("Unexpected STA disconnection during CSA")
dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
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:
# This looks like a mac80211/cfg80211 bug - don't record FAIL until
# that gets fixed.
#raise Exception("Unexpected STA disconnection during CSA")
logger.info("Unexpected STA disconnection during CSA")
dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
hwsim_utils.test_connectivity(dev[0], hapd)
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_ht40_csa2(dev, apdev):
"""HT with 40 MHz channel width and CSA"""
if not csa_supported(dev[0]):
return "skip"
try:
params = { "ssid": "ht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_ht40_csa3(dev, apdev):
"""HT with 40 MHz channel width and CSA"""
if not csa_supported(dev[0]):
return "skip"
try:
params = { "ssid": "ht",
"country_code": "US",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]",
"ieee80211n": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], 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:
# This looks like a mac80211/cfg80211 bug - don't record FAIL until
# that gets fixed.
#raise Exception("Unexpected STA disconnection during CSA")
logger.info("Unexpected STA disconnection during CSA")
dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
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:
# This looks like a mac80211/cfg80211 bug - don't record FAIL until
# that gets fixed.
#raise Exception("Unexpected STA disconnection during CSA")
logger.info("Unexpected STA disconnection during CSA")
dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
hwsim_utils.test_connectivity(dev[0], hapd)
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])