348 lines
14 KiB
Python
348 lines
14 KiB
Python
# Test cases for VHT operations with hostapd
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# Copyright (c) 2014, Qualcomm Atheros, Inc.
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# Copyright (c) 2013, Intel Corporation
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import logging
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logger = logging.getLogger()
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import os
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import subprocess, time
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import hwsim_utils
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import hostapd
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from test_dfs import wait_dfs_event
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from test_ap_csa import csa_supported
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def vht_supported():
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cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
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reg = cmd.stdout.read()
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if "@ 80)" in reg or "@ 160)" in reg:
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return True
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return False
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def test_ap_vht80(dev, apdev):
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"""VHT with 80 MHz channel width"""
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try:
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params = { "ssid": "vht",
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"country_code": "FI",
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"hw_mode": "a",
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"channel": "36",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "1",
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"vht_oper_centr_freq_seg0_idx": "42" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
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hwsim_utils.test_connectivity(dev[0], hapd)
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except Exception, e:
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if isinstance(e, Exception) and str(e) == "AP startup failed":
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if not vht_supported():
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logger.info("80 MHz channel not supported in regulatory information")
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return "skip"
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raise
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht80_params(dev, apdev):
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"""VHT with 80 MHz channel width and number of optional features enabled"""
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try:
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params = { "ssid": "vht",
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"country_code": "FI",
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"hw_mode": "a",
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"channel": "36",
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"ht_capab": "[HT40+][SHORT-GI-40][DSS_CCK-40]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "1",
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"vht_capab": "[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][MAX-A-MPDU-LEN-EXP0]",
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"vht_oper_centr_freq_seg0_idx": "42",
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"require_vht": "1" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[1].connect("vht", key_mgmt="NONE", scan_freq="5180",
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disable_vht="1", wait_connect=False)
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dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
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ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
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if ev is None:
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raise Exception("Association rejection timed out")
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if "status_code=104" not in ev:
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raise Exception("Unexpected rejection status code")
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dev[1].request("DISCONNECT")
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hwsim_utils.test_connectivity(dev[0], hapd)
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except Exception, e:
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if isinstance(e, Exception) and str(e) == "AP startup failed":
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if not vht_supported():
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logger.info("80 MHz channel not supported in regulatory information")
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return "skip"
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raise
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht_20(devs, apdevs):
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"""VHT and 20 MHz channel"""
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dev = devs[0]
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ap = apdevs[0]
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try:
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params = { "ssid": "test-vht20",
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"country_code": "DE",
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"hw_mode": "a",
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"channel": "36",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"ht_capab": "",
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"vht_capab": "",
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"vht_oper_chwidth": "0",
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"vht_oper_centr_freq_seg0_idx": "0",
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"supported_rates": "60 120 240 360 480 540",
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"require_vht": "1",
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}
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hapd = hostapd.add_ap(ap['ifname'], params)
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dev.connect("test-vht20", scan_freq="5180", key_mgmt="NONE")
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hwsim_utils.test_connectivity(dev, hapd)
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht_capab_not_supported(dev, apdev):
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"""VHT configuration with driver not supporting all vht_capab entries"""
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try:
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params = { "ssid": "vht",
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"country_code": "FI",
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"hw_mode": "a",
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"channel": "36",
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"ht_capab": "[HT40+][SHORT-GI-40][DSS_CCK-40]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "1",
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"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]",
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"vht_oper_centr_freq_seg0_idx": "42",
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"require_vht": "1" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
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if ev is None:
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raise Exception("Startup failure not reported")
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for i in range(1, 7):
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if "OK" not in hapd.request("SET vht_capab [MAX-A-MPDU-LEN-EXP%d]" % i):
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raise Exception("Unexpected SET failure")
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht160(dev, apdev):
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"""VHT with 160 MHz channel width"""
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try:
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params = { "ssid": "vht",
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"country_code": "FI",
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"hw_mode": "a",
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"channel": "36",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "2",
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"vht_oper_centr_freq_seg0_idx": "50",
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'ieee80211d': '1',
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'ieee80211h': '1' }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
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if "DFS-CAC-START" not in ev:
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raise Exception("Unexpected DFS event")
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state = hapd.get_status_field("state")
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if state != "DFS":
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if state == "DISABLED" and not os.path.exists("dfs"):
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# Not all systems have recent enough CRDA version and
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# wireless-regdb changes to support 160 MHz and DFS. For now,
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# do not report failures for this test case.
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return "skip"
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raise Exception("Unexpected interface state: " + state)
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params = { "ssid": "vht2",
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"country_code": "FI",
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"hw_mode": "a",
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"channel": "100",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "2",
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"vht_oper_centr_freq_seg0_idx": "114",
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'ieee80211d': '1',
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'ieee80211h': '1' }
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hapd2 = hostapd.add_ap(apdev[1]['ifname'], params, wait_enabled=False)
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ev = wait_dfs_event(hapd2, "DFS-CAC-START", 5)
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if "DFS-CAC-START" not in ev:
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raise Exception("Unexpected DFS event(2)")
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state = hapd2.get_status_field("state")
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if state != "DFS":
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raise Exception("Unexpected interface state(2): " + state)
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logger.info("Waiting for CAC to complete")
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
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if "success=1" not in ev:
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raise Exception("CAC failed")
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if "freq=5180" not in ev:
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raise Exception("Unexpected DFS freq result")
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ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out")
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state = hapd.get_status_field("state")
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if state != "ENABLED":
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raise Exception("Unexpected interface state")
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ev = wait_dfs_event(hapd2, "DFS-CAC-COMPLETED", 70)
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if "success=1" not in ev:
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raise Exception("CAC failed(2)")
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if "freq=5500" not in ev:
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raise Exception("Unexpected DFS freq result(2)")
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ev = hapd2.wait_event(["AP-ENABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out(2)")
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state = hapd2.get_status_field("state")
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if state != "ENABLED":
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raise Exception("Unexpected interface state(2)")
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freq = hapd2.get_status_field("freq")
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if freq != "5500":
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raise Exception("Unexpected frequency(2)")
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dev[0].connect("vht", key_mgmt="NONE", scan_freq="5180")
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hwsim_utils.test_connectivity(dev[0], hapd)
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sig = dev[0].request("SIGNAL_POLL").splitlines()
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if "FREQUENCY=5180" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
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if "WIDTH=160 MHz" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
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dev[1].connect("vht2", key_mgmt="NONE", scan_freq="5500")
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hwsim_utils.test_connectivity(dev[1], hapd2)
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sig = dev[1].request("SIGNAL_POLL").splitlines()
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if "FREQUENCY=5500" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
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if "WIDTH=160 MHz" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
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except Exception, e:
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if isinstance(e, Exception) and str(e) == "AP startup failed":
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if not vht_supported():
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logger.info("80/160 MHz channel not supported in regulatory information")
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return "skip"
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raise
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht80plus80(dev, apdev):
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"""VHT with 80+80 MHz channel width"""
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try:
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params = { "ssid": "vht",
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"country_code": "US",
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"hw_mode": "a",
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"channel": "52",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "3",
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"vht_oper_centr_freq_seg0_idx": "58",
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"vht_oper_centr_freq_seg1_idx": "155",
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'ieee80211d': '1',
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'ieee80211h': '1' }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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# This will actually fail since DFS on 80+80 is not yet supported
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ev = hapd.wait_event(["AP-DISABLED"], timeout=5)
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# ignore result to avoid breaking the test once 80+80 DFS gets enabled
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params = { "ssid": "vht2",
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"country_code": "US",
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"hw_mode": "a",
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"channel": "36",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "3",
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"vht_oper_centr_freq_seg0_idx": "42",
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"vht_oper_centr_freq_seg1_idx": "155" }
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hapd2 = hostapd.add_ap(apdev[1]['ifname'], params, wait_enabled=False)
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ev = hapd2.wait_event(["AP-ENABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out(2)")
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state = hapd2.get_status_field("state")
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if state != "ENABLED":
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raise Exception("Unexpected interface state(2)")
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dev[1].connect("vht2", key_mgmt="NONE", scan_freq="5180")
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hwsim_utils.test_connectivity(dev[1], hapd2)
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sig = dev[1].request("SIGNAL_POLL").splitlines()
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if "FREQUENCY=5180" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
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if "WIDTH=80+80 MHz" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
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if "CENTER_FRQ1=5210" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
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if "CENTER_FRQ2=5775" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(4): " + str(sig))
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except Exception, e:
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if isinstance(e, Exception) and str(e) == "AP startup failed":
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if not vht_supported():
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logger.info("80/160 MHz channel not supported in regulatory information")
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return "skip"
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raise
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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def test_ap_vht80_csa(dev, apdev):
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"""VHT with 80 MHz channel width and CSA"""
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if not csa_supported(dev[0]):
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return "skip"
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try:
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params = { "ssid": "vht",
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"country_code": "US",
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"hw_mode": "a",
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"channel": "149",
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"ht_capab": "[HT40+]",
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"ieee80211n": "1",
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"ieee80211ac": "1",
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"vht_oper_chwidth": "1",
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"vht_oper_centr_freq_seg0_idx": "155" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
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hwsim_utils.test_connectivity(dev[0], hapd)
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hapd.request("CHAN_SWITCH 5 5180 ht vht blocktx center_freq1=5210 sec_channel_offset=1 bandwidth=80")
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ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
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if ev is None:
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raise Exception("CSA finished event timed out")
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if "freq=5180" not in ev:
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raise Exception("Unexpected channel in CSA finished event")
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time.sleep(0.5)
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hwsim_utils.test_connectivity(dev[0], hapd)
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hapd.request("CHAN_SWITCH 5 5745")
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ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
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if ev is None:
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raise Exception("CSA finished event timed out")
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if "freq=5745" not in ev:
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raise Exception("Unexpected channel in CSA finished event")
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time.sleep(0.5)
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hwsim_utils.test_connectivity(dev[0], hapd)
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# This CSA to same channel will fail in kernel, so use this only for
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# extra code coverage.
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hapd.request("CHAN_SWITCH 5 5745")
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hapd.wait_event(["AP-CSA-FINISHED"], timeout=1)
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except Exception, e:
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if isinstance(e, Exception) and str(e) == "AP startup failed":
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if not vht_supported():
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logger.info("80 MHz channel not supported in regulatory information")
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return "skip"
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raise
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finally:
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subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
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