hostap/tests/hwsim/test_ap_vht.py
Johannes Berg ea7526bfb3 tests: Verify VHT20 with center freq seq0 set to zero
This was found through a mac80211 bug which didn't correctly accept a
center segment 0 value of zero, so the test will fail until the mac80211
bug is fixed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-03-14 17:07:18 +02:00

94 lines
3.4 KiB
Python

# Test cases for VHT operations with hostapd
# Copyright (c) 2014, Qualcomm Atheros, Inc.
# Copyright (c) 2013, Intel Corporation
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import subprocess, time
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",
"require_vht": "1" }
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_vht_20(devs, apdevs):
dev = devs[0]
ap = apdevs[0]
try:
params = { "ssid": "test-vht20",
"country_code": "DE",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "1",
"ieee80211ac": "1",
"ht_capab": "",
"vht_capab": "",
"vht_oper_chwidth": "0",
"vht_oper_centr_freq_seg0_idx": "0",
"require_vht": "1",
}
hostapd.add_ap(ap['ifname'], params)
dev.connect("test-vht20", scan_freq="5180", key_mgmt="NONE")
hwsim_utils.test_connectivity(dev.ifname, ap['ifname'])
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])