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Verify that when station interface is connected and GO negotiation is initiated, the P2P group is formed on the same channel as the station connection. Signed-off-by: Avraham Stern <avraham.stern@intel.com>
236 lines
10 KiB
Python
236 lines
10 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 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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"-R", "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 81")
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dev[0].request("SET p2p_oper_channel 11")
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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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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].ifname, apdev[0]['ifname'])
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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].request("SET p2p_no_group_iface 0")
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hostapd.add_ap(apdev[0]['ifname'], { "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].ifname, apdev[0]['ifname'])
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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].ifname, apdev[0]['ifname'])
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