# P2P channel selection test cases # Copyright (c) 2014, Jouni Malinen # # This software may be distributed under the terms of the BSD license. # See README for more details. import logging logger = logging.getLogger() import os import subprocess import time import hostapd import hwsim_utils from test_p2p_grpform import go_neg_pin_authorized from test_p2p_grpform import check_grpform_results from test_p2p_grpform import remove_group from test_p2p_grpform import go_neg_pbc from test_p2p_autogo import autogo def set_country(country): subprocess.call(['sudo', 'iw', 'reg', 'set', country]) time.sleep(0.1) def test_p2p_channel_5ghz(dev): """P2P group formation with 5 GHz preference""" try: set_country("US") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq < 5000: raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq) remove_group(dev[0], dev[1]) finally: set_country("00") def test_p2p_channel_5ghz_no_vht(dev): """P2P group formation with 5 GHz preference when VHT channels are disallowed""" try: set_country("US") dev[0].request("P2P_SET disallow_freq 5180-5240") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq < 5000: raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq) remove_group(dev[0], dev[1]) finally: set_country("00") dev[0].request("P2P_SET disallow_freq ") def test_p2p_channel_random_social(dev): """P2P group formation with 5 GHz preference but all 5 GHz channels disabled""" try: set_country("US") dev[0].request("SET p2p_oper_channel 11") dev[0].request("P2P_SET disallow_freq 5000-6000,2462") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq not in [ 2412, 2437, 2462 ]: raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq) remove_group(dev[0], dev[1]) finally: set_country("00") dev[0].request("P2P_SET disallow_freq ") def test_p2p_channel_random(dev): """P2P group formation with 5 GHz preference but all 5 GHz channels and all social channels disabled""" try: set_country("US") dev[0].request("SET p2p_oper_channel 11") dev[0].request("P2P_SET disallow_freq 5000-6000,2412,2437,2462") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq > 2500 or freq in [ 2412, 2437, 2462 ]: raise Exception("Unexpected channel %d MHz" % freq) remove_group(dev[0], dev[1]) finally: set_country("00") dev[0].request("P2P_SET disallow_freq ") def test_p2p_channel_random_social_with_op_class_change(dev, apdev, params): """P2P group formation using random social channel with oper class change needed""" try: set_country("US") logger.info("Start group on 5 GHz") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq < 5000: raise Exception("Unexpected channel %d MHz - did not pick 5 GHz preference" % freq) remove_group(dev[0], dev[1]) logger.info("Disable 5 GHz and try to re-start group based on 5 GHz preference") dev[0].request("SET p2p_oper_reg_class 115") dev[0].request("SET p2p_oper_channel 36") dev[0].request("P2P_SET disallow_freq 5000-6000") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq not in [ 2412, 2437, 2462 ]: raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq) remove_group(dev[0], dev[1]) try: arg = [ "tshark", "-r", os.path.join(params['logdir'], "hwsim0.pcapng"), "-R", "wifi_p2p.public_action.subtype == 0", "-V" ] cmd = subprocess.Popen(arg, stdout=subprocess.PIPE, stderr=open('/dev/null', 'w')) except Exception, e: logger.info("Could run run tshark check: " + str(e)) cmd = None pass if cmd: last = None for l in cmd.stdout.read().splitlines(): if "Operating Channel:" not in l: continue last = l if last is None: raise Exception("Could not find GO Negotiation Request") if "Operating Class 81" not in last: raise Exception("Unexpected operating class: " + last.strip()) finally: set_country("00") dev[0].request("P2P_SET disallow_freq ") dev[0].request("SET p2p_oper_reg_class 81") dev[0].request("SET p2p_oper_channel 11") def test_p2p_channel_avoid(dev): """P2P and avoid frequencies driver event""" try: set_country("US") if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES 5000-6000,2412,2437,2462"): raise Exception("Could not simulate driver event") ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10) if ev is None: raise Exception("No CTRL-EVENT-AVOID-FREQ event") [i_res, r_res] = go_neg_pin_authorized(i_dev=dev[0], i_intent=15, r_dev=dev[1], r_intent=0, test_data=False) check_grpform_results(i_res, r_res) freq = int(i_res['freq']) if freq > 2500 or freq in [ 2412, 2437, 2462 ]: raise Exception("Unexpected channel %d MHz" % freq) if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES"): raise Exception("Could not simulate driver event(2)") ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10) if ev is None: raise Exception("No CTRL-EVENT-AVOID-FREQ event") ev = dev[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout=1) if ev is not None: raise Exception("Unexpected P2P-REMOVE-AND-REFORM-GROUP event") if "OK" not in dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES " + str(freq)): raise Exception("Could not simulate driver event(3)") ev = dev[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout=10) if ev is None: raise Exception("No CTRL-EVENT-AVOID-FREQ event") ev = dev[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout=10) if ev is None: raise Exception("No P2P-REMOVE-AND-REFORM-GROUP event") finally: set_country("00") dev[0].request("DRIVER_EVENT AVOID_FREQUENCIES") def test_autogo_following_bss(dev, apdev): """P2P autonomous GO operate on the same channel as station interface""" if dev[0].get_mcc() > 1: logger.info("test mode: MCC") dev[0].request("SET p2p_no_group_iface 0") channels = { 3 : "2422", 5 : "2432", 9 : "2452" } for key in channels: hostapd.add_ap(apdev[0]['ifname'], { "ssid" : 'ap-test', "channel" : str(key) }) dev[0].connect("ap-test", key_mgmt="NONE", scan_freq=str(channels[key])) res_go = autogo(dev[0]) if res_go['freq'] != channels[key]: raise Exception("Group operation channel is not the same as on connected station interface") hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname']) dev[0].remove_group(res_go['ifname']) def test_go_neg_with_bss_connected(dev, apdev): """P2P channel selection: GO negotiation when station interface is connected""" dev[0].request("SET p2p_no_group_iface 0") hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'bss-2.4ghz', "channel": '5' }) dev[0].connect("bss-2.4ghz", key_mgmt="NONE", scan_freq="2432") #dev[0] as GO [i_res, r_res] = go_neg_pbc(i_dev=dev[0], i_intent=10, r_dev=dev[1], r_intent=1) check_grpform_results(i_res, r_res) if i_res['role'] != "GO": raise Exception("GO not selected according to go_intent") if i_res['freq'] != "2432": raise Exception("Group formed on a different frequency than BSS") hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname']) dev[0].remove_group(i_res['ifname']) if dev[0].get_mcc() > 1: logger.info("Skip as-client case due to MCC being enabled") return; #dev[0] as client [i_res2, r_res2] = go_neg_pbc(i_dev=dev[0], i_intent=1, r_dev=dev[1], r_intent=10) check_grpform_results(i_res2, r_res2) if i_res2['role'] != "client": raise Exception("GO not selected according to go_intent") if i_res2['freq'] != "2432": raise Exception("Group formed on a different frequency than BSS") hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])