From 48bab76ab038e7f958603dd531542b63ae43fd94 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sun, 10 Dec 2023 20:57:05 +0200 Subject: [PATCH] tests: DFS channel switch to VHT80/80+80/160 Signed-off-by: Jouni Malinen --- tests/hwsim/test_dfs.py | 139 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) diff --git a/tests/hwsim/test_dfs.py b/tests/hwsim/test_dfs.py index 49374dd96..c8506b5eb 100644 --- a/tests/hwsim/test_dfs.py +++ b/tests/hwsim/test_dfs.py @@ -653,6 +653,145 @@ def test_dfs_chan_switch(dev, apdev): finally: clear_regdom(hapd, dev) +@long_duration_test +def test_dfs_chan_switch_to_vht80(dev, apdev): + """DFS channel switch to VHT80""" + run_dfs_chan_switch_to_vht(dev, apdev, vht80=True) + +@long_duration_test +def test_dfs_chan_switch_to_vht80p80(dev, apdev): + """DFS channel switch to VHT80+80""" + run_dfs_chan_switch_to_vht(dev, apdev, vht80p80=True) + +@long_duration_test +def test_dfs_chan_switch_to_vht160(dev, apdev): + """DFS channel switch to VHT160""" + run_dfs_chan_switch_to_vht(dev, apdev, vht160=True) + +@long_duration_test +def test_dfs_chan_switch_to_vht160b(dev, apdev): + """DFS channel switch to VHT160 from non-DFS""" + run_dfs_chan_switch_to_vht(dev, apdev, vht160=True, start_dfs=False) + +def run_dfs_chan_switch_to_vht(dev, apdev, vht80=False, vht80p80=False, + vht160=False, start_dfs=True): + try: + hapd = None + if start_dfs: + hapd = start_dfs_ap(apdev[0], country="US") + + ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70) + if "success=1" not in ev: + raise Exception("CAC failed") + if "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") + freq = hapd.get_status_field("freq") + if freq != "5260": + raise Exception("Unexpected frequency") + + dev[0].connect("dfs", key_mgmt="NONE", scan_freq="5260 5180") + else: + params = {"ssid": "dfs", + "country_code": "US", + "ieee80211d": "1", + "hw_mode": "a", + "channel": "40"} + hapd = hostapd.add_ap(apdev[0], params) + dev[0].connect("dfs", key_mgmt="NONE", scan_freq="5260 5180 5200") + dev[0].wait_regdom(country_ie=True) + hwsim_utils.test_connectivity(dev[0], hapd) + + if vht160: + if not start_dfs: + hapd.set("ieee80211h", "1") + cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5250 bandwidth=160 ht vht" + if vht80p80: + cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5210 center_freq2=5775 bandwidth=80 ht vht" + if vht80: + cmd = "CHAN_SWITCH 5 5180 sec_channel_offset=1 center_freq1=5210 bandwidth=80 ht vht" + if "OK" not in hapd.request(cmd): + raise Exception("CHAN_SWITCH command failed") + if vht160: + # This results in BSS going down before restart, so the STA is + # expected to report disconnection. + dev[0].wait_disconnected() + ev = wait_dfs_event(hapd, "DFS-CAC-START", 5) + if "freq=5180" not in ev: + raise Exception("Unexpected channel: " + ev) + ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70) + if "success=1" not in ev: + raise Exception("CAC failed") + else: + ev = wait_dfs_event(hapd, "AP-CSA-FINISHED", 5) + if "freq=5180" not in ev: + raise Exception("Unexpected channel: " + ev) + if vht160: + ev = hapd.wait_event(["AP-ENABLED"], timeout=5) + if not ev: + raise Exception("AP setup timed out") + + freq = hapd.get_status_field("freq") + if freq != "5180": + raise Exception("Unexpected frequency") + + status = hapd.get_status() + logger.info("hostapd STATUS: " + str(status)) + if status["ieee80211n"] != "1": + raise Exception("Unexpected STATUS ieee80211n value") + if status["ieee80211ac"] != "1": + raise Exception("Unexpected STATUS ieee80211ac value") + if status["secondary_channel"] != "1": + raise Exception("Unexpected STATUS secondary_channel value") + if vht80 and status["vht_oper_chwidth"] != "1": + raise Exception("Unexpected STATUS vht_oper_chwidth value") + if vht80p80 and status["vht_oper_chwidth"] != "3": + raise Exception("Unexpected STATUS vht_oper_chwidth value") + if vht160 and status["vht_oper_chwidth"] != "2": + raise Exception("Unexpected STATUS vht_oper_chwidth value") + if vht160: + if status["vht_oper_centr_freq_seg0_idx"] != "50": + raise Exception("Unexpected STATUS vht_oper_centr_freq_seg0_idx value") + else: + if status["vht_oper_centr_freq_seg0_idx"] != "42": + raise Exception("Unexpected STATUS vht_oper_centr_freq_seg0_idx value") + if vht80p80 and status["vht_oper_centr_freq_seg1_idx"] != "155": + raise Exception("Unexpected STATUS vht_oper_centr_freq_seg1_idx value") + if "vht_caps_info" not in status: + raise Exception("Missing vht_caps_info") + + if vht160: + dev[0].wait_connected(timeout=30) + else: + ev = dev[0].wait_event(["CTRL-EVENT-CHANNEL-SWITCH"], timeout=10) + if ev is None: + raise Exception("Channel switch not reported") + if "freq=5180" not in ev: + raise Exception("Unexpected frequency: " + ev) + sig = dev[0].request("SIGNAL_POLL").splitlines() + logger.info("STA0: " + str(sig)) + if "FREQUENCY=5180" not in sig: + raise Exception("Unexpected channel: " + str(sig)) + if vht160 and "WIDTH=160 MHz" not in sig: + raise Exception("Unexpected channel[1]: " + str(sig)) + hwsim_utils.test_connectivity(dev[0], hapd) + + dev[1].connect("dfs", key_mgmt="NONE", scan_freq="5180") + sig = dev[1].request("SIGNAL_POLL").splitlines() + logger.info("STA1: " + str(sig)) + if "FREQUENCY=5180" not in sig: + raise Exception("Unexpected channel[1]: " + str(sig)) + if vht80 and "WIDTH=80 MHz" not in sig: + raise Exception("Unexpected channel[1]: " + str(sig)) + if vht80p80 and "WIDTH=80+80 MHz" not in sig: + raise Exception("Unexpected channel[1]: " + str(sig)) + if vht160 and "WIDTH=160 MHz" not in sig: + raise Exception("Unexpected channel[1]: " + str(sig)) + finally: + clear_regdom(hapd, dev) + @long_duration_test def test_dfs_no_available_channel(dev, apdev): """DFS and no available channel after radar detection"""