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hostapd/tests/hwsim/test_ap_acs.py
Jouni Malinen 87c8e86da9 tests: Fix ACS freqlist testing 
The freqlist parameter uses comma, not space, separated values. Add
another test case for checking freqlist values that do not use the
preferred channel numbers to make sure the frequency list is actually
used as a constraint for selecting the channel.

Signed-off-by: Jouni Malinen <j@w1.fi>
2020-05-17 01:31:19 +03:00

624 lines
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# Test cases for automatic channel selection with hostapd
# Copyright (c) 2013-2018, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import time
import hostapd
from utils import *
from test_dfs import wait_dfs_event
def force_prev_ap_on_24g(ap):
# For now, make sure the last operating channel was on 2.4 GHz band to get
# sufficient survey data from mac80211_hwsim.
hostapd.add_ap(ap, {"ssid": "open"})
time.sleep(0.1)
hostapd.remove_bss(ap)
def force_prev_ap_on_5g(ap):
# For now, make sure the last operating channel was on 5 GHz band to get
# sufficient survey data from mac80211_hwsim.
hostapd.add_ap(ap, {"ssid": "open", "hw_mode": "a",
"channel": "36", "country_code": "US"})
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)
if not ev:
raise Exception("ACS start timed out")
if "ACS-STARTED" not in ev:
raise Exception("Unexpected ACS event: " + ev)
state = hapd.get_status_field("state")
if state != "ACS":
raise Exception("Unexpected interface state")
ev = hapd.wait_event(["ACS-COMPLETED", "ACS-FAILED", "AP-ENABLED",
"AP-DISABLED"], timeout=20)
if not ev:
raise Exception("ACS timed out")
if "ACS-COMPLETED" not in ev:
raise Exception("Unexpected ACS event: " + ev)
if return_after_acs:
return
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=5)
if not ev:
raise Exception("AP setup timed out")
if "AP-ENABLED" not in ev:
raise Exception("Unexpected ACS event: " + ev)
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state")
def test_ap_acs(dev, apdev):
"""Automatic channel selection"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_chanlist(dev, apdev):
"""Automatic channel selection with chanlist set"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['chanlist'] = '1 6 11'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_freqlist(dev, apdev):
"""Automatic channel selection with freqlist set"""
run_ap_acs_freqlist(dev, apdev, [2412, 2437, 2462])
def test_ap_acs_freqlist2(dev, apdev):
"""Automatic channel selection with freqlist set"""
run_ap_acs_freqlist(dev, apdev, [2417, 2432, 2457])
def run_ap_acs_freqlist(dev, apdev, freqlist):
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['freqlist'] = ','.join([str(x) for x in freqlist])
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = int(hapd.get_status_field("freq"))
if freq not in freqlist:
raise Exception("Unexpected frequency: %d" % freq)
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
def test_ap_acs_invalid_chanlist(dev, apdev):
"""Automatic channel selection with invalid chanlist"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['chanlist'] = '15-18'
hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
res = hapd.request("ENABLE")
if "OK" in res:
raise Exception("ENABLE command succeeded unexpectedly")
def test_ap_multi_bss_acs(dev, apdev):
"""hostapd start with a multi-BSS configuration file using ACS"""
skip_with_fips(dev[0])
check_sae_capab(dev[2])
force_prev_ap_on_24g(apdev[0])
# start the actual test
hapd = hostapd.add_iface(apdev[0], 'multi-bss-acs.conf')
hapd.enable()
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("bss-1", key_mgmt="NONE", scan_freq=freq)
dev[1].connect("bss-2", psk="12345678", scan_freq=freq)
dev[2].set("sae_groups", "")
dev[2].connect("bss-3", key_mgmt="SAE", psk="qwertyuiop", scan_freq=freq)
def test_ap_acs_40mhz(dev, apdev):
"""Automatic channel selection for 40 MHz channel"""
run_ap_acs_40mhz(dev, apdev, '[HT40+]')
def test_ap_acs_40mhz_plus_or_minus(dev, apdev):
"""Automatic channel selection for 40 MHz channel (plus or minus)"""
run_ap_acs_40mhz(dev, apdev, '[HT40+][HT40-]')
def run_ap_acs_40mhz(dev, apdev, ht_capab):
clear_scan_cache(apdev[0])
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['ht_capab'] = ht_capab
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
sec = hapd.get_status_field("secondary_channel")
if int(sec) == 0:
raise Exception("Secondary channel not set")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_40mhz_minus(dev, apdev):
"""Automatic channel selection for HT40- channel"""
clear_scan_cache(apdev[0])
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['ht_capab'] = '[HT40-]'
params['acs_num_scans'] = '1'
params['chanlist'] = '1 11'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
if not ev:
raise Exception("ACS start timed out")
# HT40- is not currently supported in hostapd ACS, so do not try to connect
# or verify that this operation succeeded.
def test_ap_acs_5ghz(dev, apdev):
"""Automatic channel selection on 5 GHz"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['country_code'] = 'US'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_5ghz_40mhz(dev, apdev):
"""Automatic channel selection on 5 GHz for 40 MHz channel"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
sec = hapd.get_status_field("secondary_channel")
if int(sec) == 0:
raise Exception("Secondary channel not set")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_vht(dev, apdev):
"""Automatic channel selection for VHT"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
params['ieee80211ac'] = '1'
params['vht_oper_chwidth'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
sec = hapd.get_status_field("secondary_channel")
if int(sec) == 0:
raise Exception("Secondary channel not set")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_vht40(dev, apdev):
"""Automatic channel selection for VHT40"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
params['ieee80211ac'] = '1'
params['vht_oper_chwidth'] = '0'
params['acs_num_scans'] = '1'
params['chanlist'] = '36 149'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
sec = hapd.get_status_field("secondary_channel")
if int(sec) == 0:
raise Exception("Secondary channel not set")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_vht160(dev, apdev):
"""Automatic channel selection for VHT160"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'ZA'
params['ieee80211ac'] = '1'
params['vht_oper_chwidth'] = '2'
params['ieee80211d'] = '1'
params['ieee80211h'] = '1'
params['chanlist'] = '100'
params['acs_num_scans'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
if not ev:
raise Exception("ACS start timed out")
# VHT160 is not currently supported in hostapd ACS, so do not try to
# enforce successful AP start.
if "AP-ENABLED" in ev:
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_vht160_scan_disable(dev, apdev):
"""Automatic channel selection for VHT160 and DISABLE during scan"""
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'ZA'
params['ieee80211ac'] = '1'
params['vht_oper_chwidth'] = '2'
params["vht_oper_centr_freq_seg0_idx"] = "114"
params['ieee80211d'] = '1'
params['ieee80211h'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
time.sleep(3)
clear_regdom(hapd, dev)
def test_ap_acs_bias(dev, apdev):
"""Automatic channel selection with bias values"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['acs_chan_bias'] = '1:0.8 3:1.2 6:0.7 11:0.8'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_survey(dev, apdev):
"""Automatic channel selection using acs_survey parameter"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = 'acs_survey'
params['acs_num_scans'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_errors(dev, apdev):
"""Automatic channel selection failures"""
clear_scan_cache(apdev[0])
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['acs_num_scans'] = '2'
params['chanlist'] = '1'
hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
with alloc_fail(hapd, 1, "acs_request_scan"):
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected success for ENABLE")
hapd.dump_monitor()
with fail_test(hapd, 1, "acs_request_scan"):
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected success for ENABLE")
hapd.dump_monitor()
with fail_test(hapd, 1, "acs_scan_complete"):
hapd.enable()
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
if not ev:
raise Exception("ACS start timed out")
hapd.dump_monitor()
with fail_test(hapd, 1, "acs_request_scan;acs_scan_complete"):
hapd.enable()
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
if not ev:
raise Exception("ACS start timed out")
@long_duration_test
def test_ap_acs_dfs(dev, apdev):
"""Automatic channel selection, HT scan, and DFS"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
params['ieee80211d'] = '1'
params['ieee80211h'] = '1'
params['acs_num_scans'] = '1'
params['chanlist'] = '52 56 60 64'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd, return_after_acs=True)
wait_dfs_event(hapd, "DFS-CAC-START", 5)
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed")
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 = int(hapd.get_status_field("freq"))
if freq not in [5260, 5280, 5300, 5320]:
raise Exception("Unexpected frequency: %d" % freq)
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
dev[0].wait_regdom(country_ie=True)
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
def test_ap_acs_exclude_dfs(dev, apdev, params):
"""Automatic channel selection, exclude DFS"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
params['ieee80211d'] = '1'
params['ieee80211h'] = '1'
params['acs_num_scans'] = '1'
params['acs_exclude_dfs'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state")
freq = int(hapd.get_status_field("freq"))
if freq in [5260, 5280, 5300, 5320,
5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680]:
raise Exception("Unexpected frequency: %d" % freq)
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
dev[0].wait_regdom(country_ie=True)
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
@long_duration_test
def test_ap_acs_vht160_dfs(dev, apdev):
"""Automatic channel selection 160 MHz, HT scan, and DFS"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'a'
params['channel'] = '0'
params['ht_capab'] = '[HT40+]'
params['country_code'] = 'US'
params['ieee80211ac'] = '1'
params['vht_oper_chwidth'] = '2'
params['ieee80211d'] = '1'
params['ieee80211h'] = '1'
params['acs_num_scans'] = '1'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd, return_after_acs=True)
wait_dfs_event(hapd, "DFS-CAC-START", 5)
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
if "success=1" not in ev:
raise Exception("CAC failed")
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 = int(hapd.get_status_field("freq"))
if freq not in [5180, 5500]:
raise Exception("Unexpected frequency: %d" % freq)
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
dev[0].wait_regdom(country_ie=True)
finally:
if hapd:
hapd.request("DISABLE")
dev[0].disconnect_and_stop_scan()
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
dev[0].flush_scan_cache()
def test_ap_acs_hw_mode_any(dev, apdev):
"""Automatic channel selection with hw_mode=any"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['hw_mode'] = 'any'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
def test_ap_acs_hw_mode_any_5ghz(dev, apdev):
"""Automatic channel selection with hw_mode=any and 5 GHz"""
try:
hapd = None
force_prev_ap_on_5g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['hw_mode'] = 'any'
params['channel'] = '0'
params['country_code'] = 'US'
params['acs_chan_bias'] = '36:0.7 40:0.7 44:0.7 48:0.7'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 5000:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
dev[0].wait_regdom(country_ie=True)
finally:
clear_regdom(hapd, dev)
def test_ap_acs_with_fallback_to_20(dev, apdev):
"""Automatic channel selection with fallback to 20 MHz"""
force_prev_ap_on_24g(apdev[0])
params = {"ssid": "legacy-20",
"channel": "7", "ieee80211n": "0"}
hostapd.add_ap(apdev[1], params)
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['acs_chan_bias'] = '6:0.1'
params['ht_capab'] = '[HT40+]'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
wait_acs(hapd)
freq = hapd.get_status_field("freq")
if int(freq) < 2400:
raise Exception("Unexpected frequency")
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
sig = dev[0].request("SIGNAL_POLL").splitlines()
logger.info("SIGNAL_POLL: " + str(sig))
if "WIDTH=20 MHz" not in sig:
raise Exception("Station did not report 20 MHz bandwidth")
def test_ap_acs_rx_during(dev, apdev):
"""Automatic channel selection and RX during ACS"""
force_prev_ap_on_24g(apdev[0])
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
params['channel'] = '0'
params['chanlist'] = '1 6 11'
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
time.sleep(0.1)
hapd.set("ext_mgmt_frame_handling", "1")
bssid = hapd.own_addr().replace(':', '')
addr = "020304050607"
broadcast = 6*"ff"
probereq = "40000000" + broadcast + addr + broadcast + "1000"
probereq += "0000" + "010802040b160c121824" + "32043048606c" + "030100"
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % probereq):
raise Exception("MGMT_RX_PROCESS failed")
probereq = "40000000" + broadcast + addr + broadcast + "1000"
probereq += "0000" + "010102"
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2437 datarate=0 ssi_signal=-30 frame=%s" % probereq):
raise Exception("MGMT_RX_PROCESS failed")
auth = "b0003a01" + bssid + addr + bssid + '1000000001000000'
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth):
raise Exception("MGMT_RX_PROCESS failed")
hapd.set("ext_mgmt_frame_handling", "0")
time.sleep(0.2)
try:
for i in range(3):
dev[i].request("SCAN_INTERVAL 1")
dev[i].connect("test-acs", psk="12345678",
scan_freq="2412 2437 2462", wait_connect=False)
wait_acs(hapd)
for i in range(3):
dev[i].wait_connected()
finally:
for i in range(3):
dev[i].request("SCAN_INTERVAL 5")
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