70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
# Test cases for VHT operations with hostapd
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# Copyright (c) 2014, Qualcomm Atheros, Inc.
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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 subprocess
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import hwsim_utils
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import hostapd
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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].ifname, apdev[0]['ifname'])
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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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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].ifname, apdev[0]['ifname'])
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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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