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tests: P2P channel selection

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-03-23 11:24:01 +02:00
parent 9007391650
commit 147766571e
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tests/hwsim/test_p2p_channel.py Normal file
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# P2P channel selection test cases
# Copyright (c) 2014, 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 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")