| # 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[1].connect("vht", key_mgmt="NONE", scan_freq="5180", |
| disable_vht="1", wait_connect=False) |
| dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180") |
| ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"]) |
| if ev is None: |
| raise Exception("Association rejection timed out") |
| if "status_code=104" not in ev: |
| raise Exception("Unexpected rejection status code") |
| dev[1].request("DISCONNECT") |
| 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", |
| "supported_rates": "60 120 240 360 480 540", |
| "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']) |
| |
| def test_ap_vht_capab_not_supported(dev, apdev): |
| """VHT configuration with driver not supporting all vht_capab entries""" |
| 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-7991][MAX-MPDU-11454][VHT160][VHT160-80PLUS80][RXLDPC][SHORT-GI-80][SHORT-GI-160][TX-STBC-2BY1][RX-STBC-1][RX-STBC-12][RX-STBC-123][RX-STBC-1234][SU-BEAMFORMER][SU-BEAMFORMEE][BF-ANTENNA-2][SOUNDING-DIMENSION-2][MU-BEAMFORMER][MU-BEAMFORMEE][VHT-TXOP-PS][HTC-VHT][MAX-A-MPDU-LEN-EXP0][MAX-A-MPDU-LEN-EXP7][VHT-LINK-ADAPT2][VHT-LINK-ADAPT3][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN]", |
| "vht_oper_centr_freq_seg0_idx": "42", |
| "require_vht": "1" } |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False) |
| ev = hapd.wait_event(["AP-DISABLED"], timeout=5) |
| if ev is None: |
| raise Exception("Startup failure not reported") |
| for i in range(1, 7): |
| if "OK" not in hapd.request("SET vht_capab [MAX-A-MPDU-LEN-EXP%d]" % i): |
| raise Exception("Unexpected SET failure") |
| finally: |
| subprocess.call(['sudo', 'iw', 'reg', 'set', '00']) |