218 lines
7.4 KiB
Python
218 lines
7.4 KiB
Python
# Test cases for automatic channel selection with hostapd
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# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
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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 time
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import hostapd
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def wait_acs(hapd):
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ev = hapd.wait_event(["ACS-STARTED", "ACS-COMPLETED", "ACS-FAILED",
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"AP-ENABLED", "AP-DISABLED"], timeout=5)
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if not ev:
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raise Exception("ACS start timed out")
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if "ACS-STARTED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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state = hapd.get_status_field("state")
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if state != "ACS":
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raise Exception("Unexpected interface state")
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ev = hapd.wait_event(["ACS-COMPLETED", "ACS-FAILED", "AP-ENABLED",
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"AP-DISABLED"], timeout=20)
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if not ev:
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raise Exception("ACS timed out")
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if "ACS-COMPLETED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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ev = hapd.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")
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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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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def test_ap_acs(dev, apdev):
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"""Automatic channel selection"""
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_multi_bss_acs(dev, apdev):
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"""hostapd start with a multi-BSS configuration file using ACS"""
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ifname = apdev[0]['ifname']
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# make sure the current channel is on 2.4 GHz band as a workaround for the
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# limited survey functionality in mac80211_hwsim
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hostapd.add_ap(ifname, { "ssid": "test" })
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time.sleep(0.1)
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hapd_global = hostapd.HostapdGlobal()
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hapd_global.remove(ifname)
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# start the actual test
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hostapd.add_iface(ifname, 'multi-bss-acs.conf')
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hapd = hostapd.Hostapd(ifname)
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hapd.enable()
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("bss-1", key_mgmt="NONE", scan_freq=freq)
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dev[1].connect("bss-2", psk="12345678", scan_freq=freq)
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dev[2].connect("bss-3", psk="qwertyuiop", scan_freq=freq)
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def test_ap_acs_40mhz(dev, apdev):
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"""Automatic channel selection for 40 MHz channel"""
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_5ghz(dev, apdev):
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"""Automatic channel selection on 5 GHz"""
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try:
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hapd = None
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['country_code'] = 'US'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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# TODO: Remove exception acceptance once mac80211_hwsim supports ACS on
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# 5 GHz
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run = False
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try:
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wait_acs(hapd)
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run = True
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except Exception, e:
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logger.info("Ignore exception due to missing hwsim support: " + str(e))
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if run:
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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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(['sudo', 'iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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def test_ap_acs_5ghz_40mhz(dev, apdev):
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"""Automatic channel selection on 5 GHz for 40 MHz channel"""
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try:
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hapd = None
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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# TODO: Remove exception acceptance once mac80211_hwsim supports ACS on
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# 5 GHz
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run = False
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try:
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wait_acs(hapd)
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run = True
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except Exception, e:
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logger.info("Ignore exception due to missing hwsim support: " + str(e))
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if run:
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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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(['sudo', 'iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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def test_ap_acs_vht(dev, apdev):
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"""Automatic channel selection for VHT"""
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try:
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hapd = None
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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params['ieee80211ac'] = '1'
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params['vht_oper_chwidth'] = '1'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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# TODO: Remove exception acceptance once mac80211_hwsim supports ACS on
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# 5 GHz
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run = False
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try:
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wait_acs(hapd)
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run = True
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except Exception, e:
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logger.info("Ignore exception due to missing hwsim support: " + str(e))
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if run:
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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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(['sudo', 'iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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def test_ap_acs_bias(dev, apdev):
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"""Automatic channel selection with bias values"""
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['acs_chan_bias'] = '1:0.8 3:1.2 6:0.7 11:0.8'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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