mirror of
https://github.com/vanhoefm/fragattacks.git
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538 lines
21 KiB
Python
538 lines
21 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 utils import HwsimSkip
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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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hapd = None
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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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bssid = apdev[0]['bssid']
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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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est = dev[0].get_bss(bssid)['est_throughput']
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if est != "390001":
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raise Exception("Unexpected BSS est_throughput: " + est)
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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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raise HwsimSkip("80 MHz channel not supported in regulatory information")
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raise
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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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def vht80_test(apdev, dev, channel, ht_capab):
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try:
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hapd = None
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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": str(channel),
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"ht_capab": ht_capab,
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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['ifname'], params)
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bssid = apdev['bssid']
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dev.connect("vht", key_mgmt="NONE", scan_freq=str(5000 + 5 * channel))
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hwsim_utils.test_connectivity(dev, 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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raise HwsimSkip("80 MHz channel not supported in regulatory information")
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raise
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finally:
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dev.request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev.flush_scan_cache()
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def test_ap_vht80b(dev, apdev):
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"""VHT with 80 MHz channel width (HT40- channel 40)"""
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vht80_test(apdev[0], dev[0], 40, "[HT40-]")
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def test_ap_vht80c(dev, apdev):
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"""VHT with 80 MHz channel width (HT40+ channel 44)"""
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vht80_test(apdev[0], dev[0], 44, "[HT40+]")
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def test_ap_vht80d(dev, apdev):
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"""VHT with 80 MHz channel width (HT40- channel 48)"""
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vht80_test(apdev[0], dev[0], 48, "[HT40-]")
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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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hapd = None
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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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raise HwsimSkip("80 MHz channel not supported in regulatory information")
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raise
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finally:
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dev[0].request("DISCONNECT")
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dev[1].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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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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hapd = None
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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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dev.request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev.flush_scan_cache()
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def test_ap_vht_40(devs, apdevs):
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"""VHT and 40 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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hapd = None
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params = { "ssid": "test-vht40",
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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": "[HT40+]",
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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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}
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hapd = hostapd.add_ap(ap['ifname'], params)
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dev.connect("test-vht40", 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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dev.request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev.flush_scan_cache()
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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][BF-ANTENNA-3][BF-ANTENNA-4][SOUNDING-DIMENSION-2][SOUNDING-DIMENSION-3][SOUNDING-DIMENSION-4][MU-BEAMFORMER][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(['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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hapd = None
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hapd2 = None
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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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raise HwsimSkip("CRDA or wireless-regdb did not support 160 MHz")
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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": "104",
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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=5520" 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 != "5520":
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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="5520")
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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=5520" 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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raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
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raise
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finally:
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dev[0].request("DISCONNECT")
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dev[1].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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if hapd2:
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hapd2.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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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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hapd = None
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hapd2 = None
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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", "AP-DISABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out(2)")
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if "AP-DISABLED" in ev:
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# Assume this failed due to missing regulatory update for now
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raise HwsimSkip("80+80 MHz channel not supported in regulatory information")
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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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raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
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raise
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finally:
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dev[0].request("DISCONNECT")
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dev[1].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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if hapd2:
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hapd2.request("DISABLE")
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subprocess.call(['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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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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csa_supported(dev[0])
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try:
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hapd = None
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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")
|
|
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")
|
|
time.sleep(0.5)
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
hapd.request("CHAN_SWITCH 5 5745")
|
|
ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("CSA finished event timed out")
|
|
if "freq=5745" not in ev:
|
|
raise Exception("Unexpected channel in CSA finished event")
|
|
time.sleep(0.5)
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
# This CSA to same channel will fail in kernel, so use this only for
|
|
# extra code coverage.
|
|
hapd.request("CHAN_SWITCH 5 5745")
|
|
hapd.wait_event(["AP-CSA-FINISHED"], timeout=1)
|
|
except Exception, e:
|
|
if isinstance(e, Exception) and str(e) == "AP startup failed":
|
|
if not vht_supported():
|
|
raise HwsimSkip("80 MHz channel not supported in regulatory information")
|
|
raise
|
|
finally:
|
|
dev[0].request("DISCONNECT")
|
|
if hapd:
|
|
hapd.request("DISABLE")
|
|
subprocess.call(['iw', 'reg', 'set', '00'])
|
|
dev[0].flush_scan_cache()
|
|
|
|
def test_ap_vht_on_24ghz(dev, apdev):
|
|
"""Subset of VHT features on 2.4 GHz"""
|
|
hapd = None
|
|
params = { "ssid": "test-vht-2g",
|
|
"hw_mode": "g",
|
|
"channel": "1",
|
|
"ieee80211n": "1",
|
|
"vendor_vht": "1",
|
|
"vht_capab": "[MAX-MPDU-11454]",
|
|
"vht_oper_chwidth": "0",
|
|
"vht_oper_centr_freq_seg0_idx": "1"
|
|
}
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
try:
|
|
if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 dd1300904c0400bf0c3240820feaff0000eaff0000"):
|
|
raise Exception("Failed to add vendor element")
|
|
dev[0].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
sta = hapd.get_sta(dev[0].own_addr())
|
|
if '[VENDOR_VHT]' not in sta['flags']:
|
|
raise Exception("No VENDOR_VHT STA flag")
|
|
|
|
dev[1].connect("test-vht-2g", scan_freq="2412", key_mgmt="NONE")
|
|
sta = hapd.get_sta(dev[1].own_addr())
|
|
if '[VENDOR_VHT]' in sta['flags']:
|
|
raise Exception("Unexpected VENDOR_VHT STA flag")
|
|
finally:
|
|
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
|
|
|
|
def test_prefer_vht40(dev, apdev):
|
|
"""Preference on VHT40 over HT40"""
|
|
try:
|
|
hapd2 = None
|
|
|
|
params = { "ssid": "test",
|
|
"country_code": "FI",
|
|
"hw_mode": "a",
|
|
"channel": "36",
|
|
"ieee80211n": "1",
|
|
"ht_capab": "[HT40+]" }
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
|
|
params = { "ssid": "test",
|
|
"country_code": "FI",
|
|
"hw_mode": "a",
|
|
"channel": "36",
|
|
"ieee80211n": "1",
|
|
"ieee80211ac": "1",
|
|
"ht_capab": "[HT40+]",
|
|
"vht_capab": "",
|
|
"vht_oper_chwidth": "0",
|
|
"vht_oper_centr_freq_seg0_idx": "0",
|
|
}
|
|
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
dev[0].scan_for_bss(bssid, freq=5180)
|
|
dev[0].scan_for_bss(bssid2, freq=5180)
|
|
dev[0].connect("test", scan_freq="5180", key_mgmt="NONE")
|
|
if dev[0].get_status_field('bssid') != bssid2:
|
|
raise Exception("Unexpected BSS selected")
|
|
|
|
est = dev[0].get_bss(bssid)['est_throughput']
|
|
if est != "135000":
|
|
raise Exception("Unexpected BSS0 est_throughput: " + est)
|
|
|
|
est = dev[0].get_bss(bssid2)['est_throughput']
|
|
if est != "135001":
|
|
raise Exception("Unexpected BSS1 est_throughput: " + est)
|
|
finally:
|
|
dev[0].request("DISCONNECT")
|
|
if hapd2:
|
|
hapd2.request("DISABLE")
|
|
subprocess.call(['iw', 'reg', 'set', '00'])
|
|
dev[0].flush_scan_cache()
|