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tests: Automatic channel selection for EHT320

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2023-12-23 16:37:55 +02:00
parent 98f3bd26de
commit 6ef0614b36
1 changed files with 86 additions and 0 deletions
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86
tests/hwsim/test_ap_acs.py
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@ -27,6 +27,24 @@ def force_prev_ap_on_5g(ap):
time.sleep(0.1)
hostapd.remove_bss(ap)
def force_prev_ap_on_6g(ap):
# For now, make sure the last operating channel was on 6 GHz band to get
# sufficient survey data from mac80211_hwsim.
ssid = "eht_6ghz_sae"
passphrase = "12345678"
params = hostapd.he_wpa2_params(ssid=ssid, passphrase=passphrase)
params["hw_mode"] = "a"
params["ieee80211ax"] = "1"
params["ieee80211be"] = "1"
params["op_class"] = "131"
params["channel"] = "5"
params["he_oper_centr_freq_seg0_idx"] = "5"
params["eht_oper_centr_freq_seg0_idx"] = "5"
params["country_code"] = "CA"
hostapd.add_ap(ap, params)
time.sleep(0.1)
hostapd.remove_bss(ap)
def wait_acs(hapd, return_after_acs=False):
ev = hapd.wait_event(["ACS-STARTED", "ACS-COMPLETED", "ACS-FAILED",
"AP-ENABLED", "AP-DISABLED"], timeout=5)
@ -728,3 +746,71 @@ def test_ap_acs_chan14(dev, apdev):
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_eht320(dev, apdev):
"""Automatic channel selection for EHT320 (offset 0)"""
run_ap_acs_eht320(dev, apdev, 0)
def test_ap_acs_eht320_1(dev, apdev):
"""Automatic channel selection for EHT320 (offset 1)"""
run_ap_acs_eht320(dev, apdev, 1)
def test_ap_acs_eht320_2(dev, apdev):
"""Automatic channel selection for EHT320 (offset 2)"""
run_ap_acs_eht320(dev, apdev, 2)
def run_ap_acs_eht320(dev, apdev, bw32_offset):
check_sae_capab(dev[0])
try:
hapd = None
force_prev_ap_on_6g(apdev[0])
params = hostapd.he_wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params["ieee80211ax"] = "1"
params["ieee80211be"] = "1"
params['channel'] = '0'
params['op_class'] = '137'
params['eht_bw320_offset'] = str(bw32_offset)
params['ieee80211w'] = '2'
params['country_code'] = 'CA'
params['acs_num_scans'] = '1'
params['ieee80211w'] = '2'
params['wpa_key_mgmt'] = 'SAE-EXT-KEY'
hapd = hostapd.add_ap(apdev[0], params)
freq = hapd.get_status_field("freq")
if int(freq) < 5900:
raise Exception("Unexpected frequency")
dev[0].set("sae_groups", "")
dev[0].connect("test-acs", psk="12345678", key_mgmt="SAE-EXT-KEY",
ieee80211w="2", scan_freq=freq)
hapd.wait_sta()
dev[0].wait_regdom(country_ie=True)
sig = dev[0].request("SIGNAL_POLL").splitlines()
logger.info("SIGNAL_POLL: " + str(sig))
if "WIDTH=320 MHz" not in sig:
raise Exception("Station did not report 320 MHz bandwidth")
seg0 = int(hapd.get_status_field("eht_oper_centr_freq_seg0_idx"))
offset = int(hapd.get_status_field("eht_bw320_offset"))
chan_1 = [31, 95, 159]
chan_2 = [63, 127, 191]
if bw32_offset == 0:
if offset != 1 and offset != 2:
raise Exception("Unexpected eht_bw320_offset: %d" % offset)
if seg0 not in chan_1 and seg0 not in chan_2:
raise Exception("Unexpected seg0: %d" % seg0)
if bw32_offset == 1:
if offset != 1:
raise Exception("Unexpected eht_bw320_offset: %d" % offset)
if seg0 not in chan_1:
raise Exception("Unexpected seg0: %d" % seg0)
if bw32_offset == 2:
if offset != 2:
raise Exception("Unexpected eht_bw320_offset: %d" % offset)
if seg0 not in chan_2:
raise Exception("Unexpected seg0: %d" % seg0)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
hapd.wait_sta_disconnect()
finally:
clear_regdom(hapd, dev)