From 147766571e82c312bc5024bc6e3088f6e575838a Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sun, 23 Mar 2014 11:24:01 +0200 Subject: [PATCH] tests: P2P channel selection Signed-off-by: Jouni Malinen --- tests/hwsim/test_p2p_channel.py | 142 ++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 tests/hwsim/test_p2p_channel.py diff --git a/tests/hwsim/test_p2p_channel.py b/tests/hwsim/test_p2p_channel.py new file mode 100644 index 000000000..0ba592aa7 --- /dev/null +++ b/tests/hwsim/test_p2p_channel.py @@ -0,0 +1,142 @@ +# 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 + +from test_p2p_grpform import go_neg_pin_authorized +from test_p2p_grpform import check_grpform_results +from test_p2p_grpform import remove_group + +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")