505 lines
21 KiB
Python
505 lines
21 KiB
Python
# P2P channel selection test cases
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# Copyright (c) 2014, 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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import logging
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logger = logging.getLogger()
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import os
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import subprocess
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import time
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import hostapd
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import hwsim_utils
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from wpasupplicant import WpaSupplicant
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from hwsim import HWSimRadio
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from test_p2p_grpform import go_neg_pin_authorized
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from test_p2p_grpform import check_grpform_results
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from test_p2p_grpform import remove_group
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from test_p2p_grpform import go_neg_pbc
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from test_p2p_autogo import autogo
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def set_country(country):
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subprocess.call(['sudo', 'iw', 'reg', 'set', country])
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time.sleep(0.1)
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def test_p2p_channel_5ghz(dev):
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"""P2P group formation with 5 GHz preference"""
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try:
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set_country("US")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq < 5000:
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raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq)
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remove_group(dev[0], dev[1])
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finally:
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set_country("00")
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def test_p2p_channel_5ghz_no_vht(dev):
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"""P2P group formation with 5 GHz preference when VHT channels are disallowed"""
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try:
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set_country("US")
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dev[0].request("P2P_SET disallow_freq 5180-5240")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq < 5000:
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raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq)
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remove_group(dev[0], dev[1])
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finally:
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set_country("00")
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dev[0].request("P2P_SET disallow_freq ")
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def test_p2p_channel_random_social(dev):
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"""P2P group formation with 5 GHz preference but all 5 GHz channels disabled"""
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try:
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set_country("US")
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dev[0].request("SET p2p_oper_channel 11")
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dev[0].request("P2P_SET disallow_freq 5000-6000,2462")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq not in [ 2412, 2437, 2462 ]:
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raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq)
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remove_group(dev[0], dev[1])
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finally:
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set_country("00")
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dev[0].request("P2P_SET disallow_freq ")
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def test_p2p_channel_random(dev):
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"""P2P group formation with 5 GHz preference but all 5 GHz channels and all social channels disabled"""
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try:
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set_country("US")
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dev[0].request("SET p2p_oper_channel 11")
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dev[0].request("P2P_SET disallow_freq 5000-6000,2412,2437,2462")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq > 2500 or freq in [ 2412, 2437, 2462 ]:
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raise Exception("Unexpected channel %d MHz" % freq)
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remove_group(dev[0], dev[1])
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finally:
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set_country("00")
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dev[0].request("P2P_SET disallow_freq ")
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def test_p2p_channel_random_social_with_op_class_change(dev, apdev, params):
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"""P2P group formation using random social channel with oper class change needed"""
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try:
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set_country("US")
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logger.info("Start group on 5 GHz")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq < 5000:
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raise Exception("Unexpected channel %d MHz - did not pick 5 GHz preference" % freq)
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remove_group(dev[0], dev[1])
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logger.info("Disable 5 GHz and try to re-start group based on 5 GHz preference")
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dev[0].request("SET p2p_oper_reg_class 115")
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dev[0].request("SET p2p_oper_channel 36")
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dev[0].request("P2P_SET disallow_freq 5000-6000")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq not in [ 2412, 2437, 2462 ]:
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raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq)
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remove_group(dev[0], dev[1])
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try:
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arg = [ "tshark",
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"-r", os.path.join(params['logdir'], "hwsim0.pcapng"),
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"-Y", "wifi_p2p.public_action.subtype == 0",
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"-V" ]
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cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
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stderr=open('/dev/null', 'w'))
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except Exception, e:
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logger.info("Could run run tshark check: " + str(e))
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cmd = None
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pass
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if cmd:
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last = None
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for l in cmd.stdout.read().splitlines():
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if "Operating Channel:" not in l:
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continue
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last = l
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if last is None:
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raise Exception("Could not find GO Negotiation Request")
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if "Operating Class 81" not in last:
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raise Exception("Unexpected operating class: " + last.strip())
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finally:
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set_country("00")
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dev[0].request("P2P_SET disallow_freq ")
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dev[0].request("SET p2p_oper_reg_class 0")
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dev[0].request("SET p2p_oper_channel 0")
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def test_p2p_channel_avoid(dev):
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"""P2P and avoid frequencies driver event"""
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try:
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set_country("US")
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if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES 5000-6000,2412,2437,2462"):
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raise Exception("Could not simulate driver event")
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ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10)
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if ev is None:
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raise Exception("No CTRL-EVENT-AVOID-FREQ event")
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[i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0,
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test_data=False)
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check_grpform_results(i_res, r_res)
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freq = int(i_res['freq'])
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if freq > 2500 or freq in [ 2412, 2437, 2462 ]:
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raise Exception("Unexpected channel %d MHz" % freq)
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if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES"):
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raise Exception("Could not simulate driver event(2)")
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ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10)
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if ev is None:
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raise Exception("No CTRL-EVENT-AVOID-FREQ event")
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ev = dev[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected P2P-REMOVE-AND-REFORM-GROUP event")
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if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES " + str(freq)):
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raise Exception("Could not simulate driver event(3)")
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ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10)
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if ev is None:
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raise Exception("No CTRL-EVENT-AVOID-FREQ event")
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ev = dev[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout=10)
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if ev is None:
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raise Exception("No P2P-REMOVE-AND-REFORM-GROUP event")
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finally:
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set_country("00")
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dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES")
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def test_autogo_following_bss(dev, apdev):
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"""P2P autonomous GO operate on the same channel as station interface"""
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if dev[0].get_mcc() > 1:
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logger.info("test mode: MCC")
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dev[0].request("SET p2p_no_group_iface 0")
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channels = { 3 : "2422", 5 : "2432", 9 : "2452" }
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for key in channels:
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid" : 'ap-test',
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"channel" : str(key) })
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dev[0].connect("ap-test", key_mgmt="NONE",
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scan_freq=str(channels[key]))
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res_go = autogo(dev[0])
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if res_go['freq'] != channels[key]:
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raise Exception("Group operation channel is not the same as on connected station interface")
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hwsim_utils.test_connectivity(dev[0], hapd)
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dev[0].remove_group(res_go['ifname'])
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def test_go_neg_with_bss_connected(dev, apdev):
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"""P2P channel selection: GO negotiation when station interface is connected"""
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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dev[0].request("SET p2p_no_group_iface 0")
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hapd = hostapd.add_ap(apdev[0]['ifname'],
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{ "ssid": 'bss-2.4ghz', "channel": '5' })
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dev[0].connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2432")
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#dev[0] as GO
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[i_res, r_res] = go_neg_pbc(i_dev=dev[0], i_intent=10, r_dev=dev[1],
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r_intent=1)
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check_grpform_results(i_res, r_res)
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if i_res['role'] != "GO":
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raise Exception("GO not selected according to go_intent")
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if i_res['freq'] != "2432":
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raise Exception("Group formed on a different frequency than BSS")
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hwsim_utils.test_connectivity(dev[0], hapd)
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dev[0].remove_group(i_res['ifname'])
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if dev[0].get_mcc() > 1:
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logger.info("Skip as-client case due to MCC being enabled")
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return;
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#dev[0] as client
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[i_res2, r_res2] = go_neg_pbc(i_dev=dev[0], i_intent=1, r_dev=dev[1],
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r_intent=10)
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check_grpform_results(i_res2, r_res2)
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if i_res2['role'] != "client":
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raise Exception("GO not selected according to go_intent")
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if i_res2['freq'] != "2432":
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raise Exception("Group formed on a different frequency than BSS")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_autogo_with_bss_on_disallowed_chan(dev, apdev):
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"""P2P channel selection: Autonomous GO with BSS on a disallowed channel"""
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with HWSimRadio(n_channels=2) as (radio, iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(iface)
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wpas.request("SET p2p_no_group_iface 0")
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if wpas.get_mcc() < 2:
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raise Exception("New radio does not support MCC")
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try:
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'bss-2.4ghz',
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"channel": '1' })
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wpas.request("P2P_SET disallow_freq 2412")
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wpas.connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2412")
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res = autogo(wpas)
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if res['freq'] == "2412":
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raise Exception("GO set on a disallowed channel")
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hwsim_utils.test_connectivity(wpas, hapd)
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finally:
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wpas.request("P2P_SET disallow_freq ")
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def test_go_neg_with_bss_on_disallowed_chan(dev, apdev):
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"""P2P channel selection: GO negotiation with station interface on a disallowed channel"""
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with HWSimRadio(n_channels=2) as (radio, iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(iface)
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wpas.request("SET p2p_no_group_iface 0")
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if wpas.get_mcc() < 2:
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raise Exception("New radio does not support MCC")
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try:
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hapd = hostapd.add_ap(apdev[0]['ifname'],
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{ "ssid": 'bss-2.4ghz', "channel": '1' })
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# make sure PBC overlap from old test cases is not maintained
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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wpas.connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2412")
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wpas.request("P2P_SET disallow_freq 2412")
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#wpas as GO
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[i_res, r_res] = go_neg_pbc(i_dev=wpas, i_intent=10, r_dev=dev[1],
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r_intent=1)
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check_grpform_results(i_res, r_res)
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if i_res['role'] != "GO":
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raise Exception("GO not selected according to go_intent")
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if i_res['freq'] == "2412":
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raise Exception("Group formed on a disallowed channel")
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hwsim_utils.test_connectivity(wpas, hapd)
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wpas.remove_group(i_res['ifname'])
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#wpas as client
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[i_res2, r_res2] = go_neg_pbc(i_dev=wpas, i_intent=1, r_dev=dev[1],
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r_intent=10)
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check_grpform_results(i_res2, r_res2)
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if i_res2['role'] != "client":
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raise Exception("GO not selected according to go_intent")
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if i_res2['freq'] == "2412":
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raise Exception("Group formed on a disallowed channel")
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hwsim_utils.test_connectivity(wpas, hapd)
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finally:
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wpas.request("P2P_SET disallow_freq ")
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def test_autogo_force_diff_channel(dev, apdev):
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"""P2P autonomous GO and station interface operate on different channels"""
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with HWSimRadio(n_channels=2) as (radio, iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(iface)
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if wpas.get_mcc() < 2:
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raise Exception("New radio does not support MCC")
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wpas.request("SET p2p_no_group_iface 0")
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hapd = hostapd.add_ap(apdev[0]['ifname'],
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{"ssid" : 'ap-test', "channel" : '1'})
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wpas.connect("ap-test", key_mgmt = "NONE", scan_freq = "2412")
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channels = { 2 : 2417, 5 : 2432, 9 : 2452 }
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for key in channels:
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res_go = autogo(wpas, channels[key])
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hwsim_utils.test_connectivity(wpas, hapd)
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if int(res_go['freq']) == 2412:
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raise Exception("Group operation channel is: 2412 excepted: " + res_go['freq'])
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wpas.remove_group(res_go['ifname'])
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def test_go_neg_forced_freq_diff_than_bss_freq(dev, apdev):
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"""P2P channel selection: GO negotiation with forced freq different than station interface"""
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with HWSimRadio(n_channels=2) as (radio, iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(iface)
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if wpas.get_mcc() < 2:
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raise Exception("New radio does not support MCC")
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# Clear possible PBC session overlap from previous test case
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dev[1].flush_scan_cache()
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wpas.request("SET p2p_no_group_iface 0")
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hapd = hostapd.add_ap(apdev[0]['ifname'],
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{ "country_code": 'US',
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"ssid": 'bss-5ghz', "hw_mode": 'a',
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"channel": '40' })
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wpas.connect("bss-5ghz", key_mgmt="NONE", scan_freq="5200")
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# GO and peer force the same freq, different than BSS freq,
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# wpas to become GO
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[i_res, r_res] = go_neg_pbc(i_dev=dev[1], i_intent=1, i_freq=5180,
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r_dev=wpas, r_intent=14, r_freq=5180)
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check_grpform_results(i_res, r_res)
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if i_res['freq'] != "5180":
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raise Exception("P2P group formed on unexpected frequency: " + i_res['freq'])
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if r_res['role'] != "GO":
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raise Exception("GO not selected according to go_intent")
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hwsim_utils.test_connectivity(wpas, hapd)
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wpas.remove_group(r_res['ifname'])
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# GO and peer force the same freq, different than BSS freq, wpas to
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# become client
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[i_res2, r_res2] = go_neg_pbc(i_dev=dev[1], i_intent=14, i_freq=2422,
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r_dev=wpas, r_intent=1, r_freq=2422)
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check_grpform_results(i_res2, r_res2)
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if i_res2['freq'] != "2422":
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raise Exception("P2P group formed on unexpected frequency: " + i_res2['freq'])
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if r_res2['role'] != "client":
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raise Exception("GO not selected according to go_intent")
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hwsim_utils.test_connectivity(wpas, hapd)
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def test_go_pref_chan_bss_on_diff_chan(dev, apdev):
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"""P2P channel selection: Station on different channel than GO configured pref channel"""
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dev[0].request("SET p2p_no_group_iface 0")
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try:
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'bss-2.4ghz',
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"channel": '1' })
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dev[0].request("SET p2p_pref_chan 81:2")
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dev[0].connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2412")
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res = autogo(dev[0])
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if res['freq'] != "2412":
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raise Exception("GO channel did not follow BSS")
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hwsim_utils.test_connectivity(dev[0], hapd)
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finally:
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dev[0].request("SET p2p_pref_chan ")
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def test_go_pref_chan_bss_on_disallowed_chan(dev, apdev):
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"""P2P channel selection: Station interface on different channel than GO configured pref channel, and station channel is disallowed"""
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with HWSimRadio(n_channels=2) as (radio, iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(iface)
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if wpas.get_mcc() < 2:
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raise Exception("New radio does not support MCC")
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wpas.request("SET p2p_no_group_iface 0")
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try:
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'bss-2.4ghz',
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"channel": '1' })
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wpas.request("P2P_SET disallow_freq 2412")
|
|
wpas.request("SET p2p_pref_chan 81:2")
|
|
wpas.connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2412")
|
|
res2 = autogo(wpas)
|
|
if res2['freq'] != "2417":
|
|
raise Exception("GO channel did not follow pref_chan configuration")
|
|
hwsim_utils.test_connectivity(wpas, hapd)
|
|
finally:
|
|
wpas.request("P2P_SET disallow_freq ")
|
|
wpas.request("SET p2p_pref_chan ")
|
|
|
|
def test_no_go_freq(dev, apdev):
|
|
"""P2P channel selection: no GO freq"""
|
|
try:
|
|
dev[0].request("SET p2p_no_go_freq 2412")
|
|
# dev[0] as client, channel 1 is ok
|
|
[i_res, r_res] = go_neg_pbc(i_dev=dev[0], i_intent=1,
|
|
r_dev=dev[1], r_intent=14, r_freq=2412)
|
|
check_grpform_results(i_res, r_res)
|
|
if i_res['freq'] != "2412":
|
|
raise Exception("P2P group not formed on forced freq")
|
|
|
|
dev[1].remove_group(r_res['ifname'])
|
|
fail = False
|
|
# dev[0] as GO, channel 1 is not allowed
|
|
try:
|
|
dev[0].request("SET p2p_no_go_freq 2412")
|
|
[i_res2, r_res2] = go_neg_pbc(i_dev=dev[0], i_intent=14,
|
|
r_dev=dev[1], r_intent=1, r_freq=2412)
|
|
check_grpform_results(i_res2, r_res2)
|
|
fail = True
|
|
except:
|
|
pass
|
|
if fail:
|
|
raise Exception("GO set on a disallowed freq")
|
|
finally:
|
|
dev[0].request("SET p2p_no_go_freq ")
|
|
|
|
def test_go_neg_peers_force_diff_freq(dev, apdev):
|
|
"""P2P channel selection when peers for different frequency"""
|
|
try:
|
|
[i_res2, r_res2] = go_neg_pbc(i_dev=dev[0], i_intent=14, i_freq=5180,
|
|
r_dev=dev[1], r_intent=0, r_freq=5200)
|
|
except Exception, e:
|
|
return
|
|
raise Exception("Unexpected group formation success")
|
|
|
|
def test_autogo_random_channel(dev, apdev):
|
|
"""P2P channel selection: GO instantiated on random channel 1, 6, 11"""
|
|
freqs = []
|
|
go_freqs = ["2412", "2437", "2462"]
|
|
for i in range(0, 20):
|
|
result = autogo(dev[0])
|
|
if result['freq'] not in go_freqs:
|
|
raise Exception("Unexpected frequency selected: " + result['freq'])
|
|
if result['freq'] not in freqs:
|
|
freqs.append(result['freq'])
|
|
if len(freqs) == 3:
|
|
break
|
|
dev[0].remove_group(result['ifname'])
|
|
if i == 20:
|
|
raise Exception("GO created 20 times and not all social channels were selected. freqs not selected: " + str(list(set(go_freqs) - set(freqs))))
|
|
|
|
def test_p2p_autogo_pref_chan_disallowed(dev, apdev):
|
|
"""P2P channel selection: GO preferred channels are disallowed"""
|
|
try:
|
|
dev[0].request("SET p2p_pref_chan 81:1,81:3,81:6,81:9,81:11")
|
|
dev[0].request("P2P_SET disallow_freq 2412,2422,2437,2452,2462")
|
|
for i in range(0, 5):
|
|
res = autogo(dev[0])
|
|
if res['freq'] in [ "2412", "2422", "2437", "2452", "2462" ]:
|
|
raise Exception("GO channel is disallowed")
|
|
dev[0].remove_group(res['ifname'])
|
|
finally:
|
|
dev[0].request("P2P_SET disallow_freq ")
|
|
dev[0].request("SET p2p_pref_chan ")
|
|
|
|
def test_p2p_autogo_pref_chan_not_in_regulatory(dev, apdev):
|
|
"""P2P channel selection: GO preferred channel not allowed in the regulatory rules"""
|
|
try:
|
|
set_country("US")
|
|
dev[0].request("SET p2p_pref_chan 124:149")
|
|
res = autogo(dev[0], persistent=True)
|
|
if res['freq'] != "5745":
|
|
raise Exception("Unexpected channel selected: " + res['freq'])
|
|
dev[0].remove_group(res['ifname'])
|
|
|
|
netw = dev[0].list_networks()
|
|
if len(netw) != 1:
|
|
raise Exception("Unexpected number of network blocks: " + str(netw))
|
|
id = netw[0]['id']
|
|
|
|
set_country("DE")
|
|
res = autogo(dev[0], persistent=id)
|
|
if res['freq'] == "5745":
|
|
raise Exception("Unexpected channel selected(2): " + res['freq'])
|
|
dev[0].remove_group(res['ifname'])
|
|
finally:
|
|
dev[0].request("SET p2p_pref_chan ")
|
|
set_country("00")
|