mirror of
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529 lines
19 KiB
Python
529 lines
19 KiB
Python
# Test cases for DFS
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# Copyright (c) 2013-2019, 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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from remotehost import remote_compatible
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import os
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import subprocess
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import time
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import logging
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logger = logging.getLogger()
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import hwsim_utils
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import hostapd
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from utils import *
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def wait_dfs_event(hapd, event, timeout):
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dfs_events = ["DFS-RADAR-DETECTED", "DFS-NEW-CHANNEL",
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"DFS-CAC-START", "DFS-CAC-COMPLETED",
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"DFS-NOP-FINISHED", "AP-ENABLED", "AP-CSA-FINISHED"]
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ev = hapd.wait_event(dfs_events, timeout=timeout)
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if not ev:
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raise Exception("DFS event timed out")
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if event and event not in ev:
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raise Exception("Unexpected DFS event: " + ev + " (expected: %s)" % event)
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return ev
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def start_dfs_ap(ap, ssid="dfs", ht=True, ht40=False,
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ht40minus=False, vht80=False, vht20=False, chanlist=None,
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channel=None, country="FI", rrm_beacon_report=False):
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ifname = ap['ifname']
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logger.info("Starting AP " + ifname + " on DFS channel")
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hapd = hostapd.add_ap(ap, {}, no_enable=True)
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hapd.set("ssid", ssid)
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hapd.set("country_code", country)
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hapd.set("ieee80211d", "1")
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hapd.set("ieee80211h", "1")
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hapd.set("hw_mode", "a")
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hapd.set("channel", "52")
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if not ht:
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hapd.set("ieee80211n", "0")
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if ht40:
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hapd.set("ht_capab", "[HT40+]")
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elif ht40minus:
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hapd.set("ht_capab", "[HT40-]")
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hapd.set("channel", "56")
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if vht80:
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hapd.set("ieee80211ac", "1")
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hapd.set("vht_oper_chwidth", "1")
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hapd.set("vht_oper_centr_freq_seg0_idx", "58")
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if vht20:
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hapd.set("ieee80211ac", "1")
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hapd.set("vht_oper_chwidth", "0")
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hapd.set("vht_oper_centr_freq_seg0_idx", "0")
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if chanlist:
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hapd.set("chanlist", chanlist)
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if channel:
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hapd.set("channel", str(channel))
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if rrm_beacon_report:
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hapd.set("rrm_beacon_report", "1")
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hapd.enable()
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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: " + ev)
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state = hapd.get_status_field("state")
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if state != "DFS":
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raise Exception("Unexpected interface state: " + state)
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return hapd
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def dfs_simulate_radar(hapd):
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logger.info("Trigger a simulated radar event")
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phyname = hapd.get_driver_status_field("phyname")
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radar_file = '/sys/kernel/debug/ieee80211/' + phyname + '/hwsim/dfs_simulate_radar'
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with open(radar_file, 'w') as f:
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f.write('1')
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def test_dfs(dev, apdev):
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"""DFS CAC functionality on clear channel"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], country="US")
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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=5260" 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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freq = hapd.get_status_field("freq")
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if freq != "5260":
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raise Exception("Unexpected frequency")
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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hwsim_utils.test_connectivity(dev[0], hapd)
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hapd.request("RADAR DETECTED freq=5260 ht_enabled=1 chan_width=1")
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ev = hapd.wait_event(["DFS-RADAR-DETECTED"], timeout=10)
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if ev is None:
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raise Exception("DFS-RADAR-DETECTED event not reported")
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if "freq=5260" not in ev:
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raise Exception("Incorrect frequency in radar detected event: " + ev)
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ev = hapd.wait_event(["DFS-NEW-CHANNEL"], timeout=70)
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if ev is None:
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raise Exception("DFS-NEW-CHANNEL event not reported")
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if "freq=5260" in ev:
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raise Exception("Channel did not change after radar was detected")
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ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=70)
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if ev is None:
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raise Exception("AP-CSA-FINISHED event not reported")
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if "freq=5260" in ev:
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raise Exception("Channel did not change after radar was detected(2)")
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time.sleep(1)
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hwsim_utils.test_connectivity(dev[0], hapd)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_etsi(dev, apdev, params):
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"""DFS and uniform spreading requirement for ETSI [long]"""
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if not params['long']:
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raise HwsimSkip("Skip test case with long duration due to --long not specified")
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0])
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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=5260" 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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freq = hapd.get_status_field("freq")
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if freq != "5260":
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raise Exception("Unexpected frequency")
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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hwsim_utils.test_connectivity(dev[0], hapd)
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hapd.request("RADAR DETECTED freq=%s ht_enabled=1 chan_width=1" % freq)
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ev = hapd.wait_event(["DFS-RADAR-DETECTED"], timeout=5)
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if ev is None:
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raise Exception("DFS-RADAR-DETECTED event not reported")
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if "freq=%s" % freq not in ev:
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raise Exception("Incorrect frequency in radar detected event: " + ev)
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ev = hapd.wait_event(["DFS-NEW-CHANNEL"], timeout=5)
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if ev is None:
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raise Exception("DFS-NEW-CHANNEL event not reported")
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if "freq=%s" % freq in ev:
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raise Exception("Channel did not change after radar was detected")
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ev = hapd.wait_event(["AP-CSA-FINISHED", "DFS-CAC-START"], timeout=10)
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if ev is None:
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raise Exception("AP-CSA-FINISHED or DFS-CAC-START event not reported")
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if "DFS-CAC-START" in ev:
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# The selected new channel requires CAC
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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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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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ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=30)
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if not ev:
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raise Exception("STA did not reconnect on new DFS channel")
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else:
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# The new channel did not require CAC - try again
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if "freq=%s" % freq in ev:
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raise Exception("Channel did not change after radar was detected(2)")
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time.sleep(1)
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hwsim_utils.test_connectivity(dev[0], hapd)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar1(dev, apdev):
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"""DFS CAC functionality with radar detected during initial CAC"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0])
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5260" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260" not in ev:
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raise Exception("Unexpected DFS radar detection freq")
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5260" in ev:
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raise Exception("Unexpected DFS new freq")
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" in ev:
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logger.info("Started AP on non-DFS channel")
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else:
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logger.info("Trying to start AP on another DFS channel")
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if "DFS-CAC-START" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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if "freq=5260" in ev:
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raise Exception("Unexpected DFS CAC freq")
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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=5260" in ev:
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raise Exception("Unexpected DFS freq result - radar channel")
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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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freq = hapd.get_status_field("freq")
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if freq == "5260":
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raise Exception("Unexpected frequency: " + freq)
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar2(dev, apdev):
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"""DFS CAC functionality with radar detected after initial CAC"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], ssid="dfs2", ht40=True)
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ev = hapd.wait_event(["AP-ENABLED"], timeout=70)
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if not ev:
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raise Exception("AP2 setup timed out")
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260 ht_enabled=1 chan_offset=1 chan_width=2" not in ev:
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raise Exception("Unexpected DFS radar detection freq from AP2")
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5260" in ev:
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raise Exception("Unexpected DFS new freq for AP2")
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wait_dfs_event(hapd, None, 5)
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finally:
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clear_regdom(hapd, dev)
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@remote_compatible
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def test_dfs_radar_on_non_dfs_channel(dev, apdev):
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"""DFS radar detection test code on non-DFS channel"""
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params = {"ssid": "radar"}
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hapd = hostapd.add_ap(apdev[0], params)
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hapd.request("RADAR DETECTED freq=5260 ht_enabled=1 chan_width=1")
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hapd.request("RADAR DETECTED freq=2412 ht_enabled=1 chan_width=1")
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def test_dfs_radar_chanlist(dev, apdev):
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"""DFS chanlist when radar is detected"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], chanlist="40 44")
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5260" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260" not in ev:
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raise Exception("Unexpected DFS radar detection freq")
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5200 chan=40" not in ev and "freq=5220 chan=44" not in ev:
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raise Exception("Unexpected DFS new freq: " + ev)
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar_chanlist_vht80(dev, apdev):
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"""DFS chanlist when radar is detected and VHT80 configured"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], chanlist="36", ht40=True, vht80=True)
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5260" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260" not in ev:
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raise Exception("Unexpected DFS radar detection freq")
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5180 chan=36 sec_chan=1" not in ev:
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raise Exception("Unexpected DFS new freq: " + ev)
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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if hapd.get_status_field('vht_oper_centr_freq_seg0_idx') != "42":
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raise Exception("Unexpected seg0 idx")
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar_chanlist_vht20(dev, apdev):
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"""DFS chanlist when radar is detected and VHT40 configured"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], chanlist="36", vht20=True)
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5260" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260" not in ev:
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raise Exception("Unexpected DFS radar detection freq")
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5180 chan=36 sec_chan=0" not in ev:
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raise Exception("Unexpected DFS new freq: " + ev)
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar_no_ht(dev, apdev):
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"""DFS chanlist when radar is detected and no HT configured"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], chanlist="36", ht=False)
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5260" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5260 ht_enabled=0" not in ev:
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raise Exception("Unexpected DFS radar detection freq: " + ev)
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5180 chan=36 sec_chan=0" not in ev:
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raise Exception("Unexpected DFS new freq: " + ev)
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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dev[0].connect("dfs", key_mgmt="NONE")
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_dfs_radar_ht40minus(dev, apdev):
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"""DFS chanlist when radar is detected and HT40- configured"""
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try:
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hapd = None
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hapd = start_dfs_ap(apdev[0], chanlist="36", ht40minus=True)
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time.sleep(1)
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dfs_simulate_radar(hapd)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
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if ev is None:
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raise Exception("Timeout on DFS aborted event")
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if "success=0 freq=5280 ht_enabled=1 chan_offset=-1" not in ev:
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raise Exception("Unexpected DFS aborted event contents: " + ev)
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ev = wait_dfs_event(hapd, "DFS-RADAR-DETECTED", 5)
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if "freq=5280 ht_enabled=1 chan_offset=-1" not in ev:
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raise Exception("Unexpected DFS radar detection freq: " + ev)
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ev = wait_dfs_event(hapd, "DFS-NEW-CHANNEL", 5)
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if "freq=5180 chan=36 sec_chan=1" not in ev:
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raise Exception("Unexpected DFS new freq: " + ev)
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ev = wait_dfs_event(hapd, None, 5)
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected DFS event: " + ev)
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|
dev[0].connect("dfs", key_mgmt="NONE")
|
|
dev[0].wait_regdom(country_ie=True)
|
|
dev[0].request("STA_AUTOCONNECT 0")
|
|
finally:
|
|
clear_regdom(hapd, dev)
|
|
dev[0].request("STA_AUTOCONNECT 1")
|
|
|
|
def test_dfs_ht40_minus(dev, apdev, params):
|
|
"""DFS CAC functionality on channel 104 HT40- [long]"""
|
|
if not params['long']:
|
|
raise HwsimSkip("Skip test case with long duration due to --long not specified")
|
|
try:
|
|
hapd = None
|
|
hapd = start_dfs_ap(apdev[0], ht40minus=True, channel=104)
|
|
|
|
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
|
|
if "success=1" not in ev:
|
|
raise Exception("CAC failed")
|
|
if "freq=5520" not in ev:
|
|
raise Exception("Unexpected DFS freq result")
|
|
|
|
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
|
|
if not ev:
|
|
raise Exception("AP setup timed out")
|
|
|
|
state = hapd.get_status_field("state")
|
|
if state != "ENABLED":
|
|
raise Exception("Unexpected interface state")
|
|
|
|
freq = hapd.get_status_field("freq")
|
|
if freq != "5520":
|
|
raise Exception("Unexpected frequency")
|
|
|
|
dev[0].connect("dfs", key_mgmt="NONE", scan_freq="5520")
|
|
dev[0].wait_regdom(country_ie=True)
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
finally:
|
|
clear_regdom(hapd, dev)
|
|
|
|
def test_dfs_cac_restart_on_enable(dev, apdev):
|
|
"""DFS CAC interrupted and restarted"""
|
|
try:
|
|
hapd = None
|
|
hapd = start_dfs_ap(apdev[0])
|
|
time.sleep(0.1)
|
|
subprocess.check_call(['ip', 'link', 'set', 'dev', hapd.ifname, 'down'])
|
|
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 5)
|
|
if ev is None:
|
|
raise Exception("Timeout on DFS aborted event")
|
|
if "success=0 freq=5260" not in ev:
|
|
raise Exception("Unexpected DFS aborted event contents: " + ev)
|
|
time.sleep(0.1)
|
|
subprocess.check_call(['ip', 'link', 'set', 'dev', hapd.ifname, 'up'])
|
|
|
|
ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
|
|
if "DFS-CAC-START" not in ev:
|
|
raise Exception("Unexpected DFS event: " + ev)
|
|
hapd.disable()
|
|
|
|
finally:
|
|
clear_regdom(hapd, dev)
|
|
|
|
def test_dfs_rrm(dev, apdev, params):
|
|
"""DFS with RRM [long]"""
|
|
if not params['long']:
|
|
raise HwsimSkip("Skip test case with long duration due to --long not specified")
|
|
try:
|
|
hapd = None
|
|
hapd = start_dfs_ap(apdev[0], country="US", rrm_beacon_report=True)
|
|
|
|
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
|
|
if "success=1" not in ev or "freq=5260" not in ev:
|
|
raise Exception("Unexpected DFS freq result")
|
|
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
|
|
if not ev:
|
|
raise Exception("AP setup timed out")
|
|
|
|
dev[0].connect("dfs", key_mgmt="NONE", scan_freq="5260")
|
|
dev[0].wait_regdom(country_ie=True)
|
|
hapd.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
addr = dev[0].own_addr()
|
|
token = hapd.request("REQ_BEACON " + addr + " " + "51000000000002ffffffffffff")
|
|
if "FAIL" in token:
|
|
raise Exception("REQ_BEACON failed")
|
|
ev = hapd.wait_event(["BEACON-RESP-RX"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Beacon report response not received")
|
|
finally:
|
|
clear_regdom(hapd, dev)
|