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tests: DTIM period configuration

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-12-29 12:27:12 +02:00
parent cde2143c21
commit 0447ef6cd5
1 changed files with 29 additions and 1 deletions
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30
tests/hwsim/test_ap_params.py
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@ -8,12 +8,14 @@ from remotehost import remote_compatible
import logging
logger = logging.getLogger()
import os
import struct
import subprocess
import time
import hwsim_utils
import hostapd
from tshark import run_tshark
from utils import alloc_fail, HwsimSkip
from utils import alloc_fail, HwsimSkip, parse_ie
@remote_compatible
def test_ap_fragmentation_rts_set_high(dev, apdev):
@ -610,3 +612,29 @@ def test_ap_eapol_version(dev, apdev):
raise Exception("Unexpected default eapol_version: " + ver1)
if ver2 != "01":
raise Exception("eapol_version did not match configuration: " + ver2)
def test_ap_dtim_period(dev, apdev):
"""DTIM period configuration"""
ssid = "dtim-period"
params = { 'ssid': ssid, 'dtim_period': "10" }
hapd = hostapd.add_ap(apdev[0], params)
bssid = hapd.own_addr()
dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
for i in range(10):
dev[0].scan(freq="2412")
bss = dev[0].get_bss(bssid)
if 'beacon_ie' in bss:
break
time.sleep(0.2)
if 'beacon_ie' not in bss:
raise Exception("Did not find Beacon IEs")
ie = parse_ie(bss['beacon_ie'])
if 5 not in ie:
raise Exception("TIM element missing")
count, period = struct.unpack('BB', ie[5][0:2])
logger.info("DTIM count %d DTIM period %d" % (count, period))
if period != 10:
raise Exception("Unexpected DTIM period: %d" % period)
if count >= period:
raise Exception("Unexpected DTIM count: %d" % count)