tests: DFS channel switch to VHT80/80+80/160
Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
7dd7ae965a
commit
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1 changed files with 139 additions and 0 deletions
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@ -653,6 +653,145 @@ def test_dfs_chan_switch(dev, apdev):
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finally:
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finally:
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clear_regdom(hapd, dev)
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clear_regdom(hapd, dev)
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@long_duration_test
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def test_dfs_chan_switch_to_vht80(dev, apdev):
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"""DFS channel switch to VHT80"""
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run_dfs_chan_switch_to_vht(dev, apdev, vht80=True)
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@long_duration_test
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def test_dfs_chan_switch_to_vht80p80(dev, apdev):
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"""DFS channel switch to VHT80+80"""
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run_dfs_chan_switch_to_vht(dev, apdev, vht80p80=True)
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@long_duration_test
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def test_dfs_chan_switch_to_vht160(dev, apdev):
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"""DFS channel switch to VHT160"""
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run_dfs_chan_switch_to_vht(dev, apdev, vht160=True)
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@long_duration_test
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def test_dfs_chan_switch_to_vht160b(dev, apdev):
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"""DFS channel switch to VHT160 from non-DFS"""
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run_dfs_chan_switch_to_vht(dev, apdev, vht160=True, start_dfs=False)
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def run_dfs_chan_switch_to_vht(dev, apdev, vht80=False, vht80p80=False,
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vht160=False, start_dfs=True):
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try:
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hapd = None
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if start_dfs:
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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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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", scan_freq="5260 5180")
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else:
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params = {"ssid": "dfs",
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"country_code": "US",
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"ieee80211d": "1",
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"hw_mode": "a",
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"channel": "40"}
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hapd = hostapd.add_ap(apdev[0], params)
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dev[0].connect("dfs", key_mgmt="NONE", scan_freq="5260 5180 5200")
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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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if vht160:
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if not start_dfs:
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hapd.set("ieee80211h", "1")
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cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5250 bandwidth=160 ht vht"
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if vht80p80:
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cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5210 center_freq2=5775 bandwidth=80 ht vht"
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if vht80:
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cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5210 bandwidth=80 ht vht"
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if "OK" not in hapd.request(cmd):
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raise Exception("CHAN_SWITCH command failed")
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if vht160:
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# This results in BSS going down before restart, so the STA is
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# expected to report disconnection.
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dev[0].wait_disconnected()
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ev = wait_dfs_event(hapd, "DFS-CAC-START", 5)
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if "freq=5180" not in ev:
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raise Exception("Unexpected channel: " + ev)
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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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else:
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ev = wait_dfs_event(hapd, "AP-CSA-FINISHED", 5)
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if "freq=5180" not in ev:
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raise Exception("Unexpected channel: " + ev)
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if vht160:
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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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freq = hapd.get_status_field("freq")
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if freq != "5180":
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raise Exception("Unexpected frequency")
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status = hapd.get_status()
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logger.info("hostapd STATUS: " + str(status))
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if status["ieee80211n"] != "1":
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raise Exception("Unexpected STATUS ieee80211n value")
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if status["ieee80211ac"] != "1":
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raise Exception("Unexpected STATUS ieee80211ac value")
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if status["secondary_channel"] != "1":
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raise Exception("Unexpected STATUS secondary_channel value")
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if vht80 and status["vht_oper_chwidth"] != "1":
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raise Exception("Unexpected STATUS vht_oper_chwidth value")
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if vht80p80 and status["vht_oper_chwidth"] != "3":
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raise Exception("Unexpected STATUS vht_oper_chwidth value")
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if vht160 and status["vht_oper_chwidth"] != "2":
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raise Exception("Unexpected STATUS vht_oper_chwidth value")
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if vht160:
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if status["vht_oper_centr_freq_seg0_idx"] != "50":
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raise Exception("Unexpected STATUS vht_oper_centr_freq_seg0_idx value")
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else:
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if status["vht_oper_centr_freq_seg0_idx"] != "42":
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raise Exception("Unexpected STATUS vht_oper_centr_freq_seg0_idx value")
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if vht80p80 and status["vht_oper_centr_freq_seg1_idx"] != "155":
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raise Exception("Unexpected STATUS vht_oper_centr_freq_seg1_idx value")
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if "vht_caps_info" not in status:
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raise Exception("Missing vht_caps_info")
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if vht160:
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dev[0].wait_connected(timeout=30)
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else:
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ev = dev[0].wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=10)
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if ev is None:
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raise Exception("Channel switch not reported")
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if "freq=5180" not in ev:
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raise Exception("Unexpected frequency: " + ev)
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sig = dev[0].request("SIGNAL_POLL").splitlines()
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logger.info("STA0: " + str(sig))
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if "FREQUENCY=5180" not in sig:
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raise Exception("Unexpected channel: " + str(sig))
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if vht160 and "WIDTH=160 MHz" not in sig:
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raise Exception("Unexpected channel[1]: " + str(sig))
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hwsim_utils.test_connectivity(dev[0], hapd)
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dev[1].connect("dfs", key_mgmt="NONE", scan_freq="5180")
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sig = dev[1].request("SIGNAL_POLL").splitlines()
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logger.info("STA1: " + str(sig))
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if "FREQUENCY=5180" not in sig:
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raise Exception("Unexpected channel[1]: " + str(sig))
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if vht80 and "WIDTH=80 MHz" not in sig:
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raise Exception("Unexpected channel[1]: " + str(sig))
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if vht80p80 and "WIDTH=80+80 MHz" not in sig:
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raise Exception("Unexpected channel[1]: " + str(sig))
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if vht160 and "WIDTH=160 MHz" not in sig:
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raise Exception("Unexpected channel[1]: " + str(sig))
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finally:
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clear_regdom(hapd, dev)
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@long_duration_test
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@long_duration_test
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def test_dfs_no_available_channel(dev, apdev):
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def test_dfs_no_available_channel(dev, apdev):
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"""DFS and no available channel after radar detection"""
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"""DFS and no available channel after radar detection"""
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