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tests: Add another bridge port to proxyarp_open

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Use another AP instance as a separate bridge port in the proxyarp_open
test cases to increase testing coverage for kernel proxyarp
functionality.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-01-30 13:53:34 +02:00 committed by Jouni Malinen
parent 87f0ede914
commit 210a4f6a13
1 changed files with 48 additions and 1 deletions
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49
tests/hwsim/test_ap_hs20.py
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@ -2929,6 +2929,8 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
prefix + ".%s.pcap" % dev[0].ifname)
cap_dev1 = os.path.join(params['logdir'],
prefix + ".%s.pcap" % dev[1].ifname)
cap_dev2 = os.path.join(params['logdir'],
prefix + ".%s.pcap" % dev[2].ifname)
bssid = apdev[0]['bssid']
params = { 'ssid': 'open' }
@ -2948,6 +2950,11 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
if "AP-ENABLED" not in ev:
raise Exception("AP startup failed")
params2 = { 'ssid': 'another' }
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params2, no_enable=True)
hapd2.set('bridge', 'ap-br0')
hapd2.enable()
subprocess.call(['brctl', 'setfd', 'ap-br0', '0'])
subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
@ -2984,11 +2991,26 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
cmd[2] = subprocess.Popen(['tcpdump', '-p', '-U', '-i', dev[1].ifname,
'-w', cap_dev1, '-s', '2000'],
stderr=open('/dev/null', 'w'))
cmd[3] = subprocess.Popen(['tcpdump', '-p', '-U', '-i', dev[2].ifname,
'-w', cap_dev2, '-s', '2000'],
stderr=open('/dev/null', 'w'))
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("open", key_mgmt="NONE", scan_freq="2412")
dev[2].connect("another", key_mgmt="NONE", scan_freq="2412")
time.sleep(0.1)
brcmd = subprocess.Popen(['brctl', 'show'], stdout=subprocess.PIPE)
res = brcmd.stdout.read()
brcmd.stdout.close()
logger.info("Bridge setup: " + res)
brcmd = subprocess.Popen(['brctl', 'showstp', 'ap-br0'],
stdout=subprocess.PIPE)
res = brcmd.stdout.read()
brcmd.stdout.close()
logger.info("Bridge showstp: " + res)
addr0 = dev[0].p2p_interface_addr()
addr1 = dev[1].p2p_interface_addr()
@ -3109,6 +3131,9 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
send_arp(hapd, hapd_bssid=bssid, sender_ip="192.168.1.101",
target_ip=target)
for target in targets:
send_arp(dev[2], sender_ip="192.168.1.103", target_ip=target)
# ARP Probe from wireless STA
send_arp(dev[1], target_ip="192.168.1.127")
# ARP Announcement from wireless STA
@ -3128,14 +3153,19 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
# ARP Request for the newly introduced IP address from bridge
send_arp(hapd, hapd_bssid=bssid, sender_ip="192.168.1.102",
target_ip="192.168.1.127")
send_arp(dev[2], sender_ip="192.168.1.103", target_ip="192.168.1.127")
# ARP Probe from bridge
send_arp(hapd, hapd_bssid=bssid, target_ip="192.168.1.130")
send_arp(dev[2], target_ip="192.168.1.131")
# ARP Announcement from bridge (not to be learned by AP for proxyarp)
send_arp(hapd, hapd_bssid=bssid, sender_ip="192.168.1.130",
target_ip="192.168.1.130")
send_arp(hapd, hapd_bssid=bssid, sender_ip="192.168.1.130",
target_ip="192.168.1.130", opcode=2)
send_arp(dev[2], sender_ip="192.168.1.131", target_ip="192.168.1.131")
send_arp(dev[2], sender_ip="192.168.1.131", target_ip="192.168.1.131",
opcode=2)
macs = get_bridge_macs("ap-br0")
logger.info("After ARP Probe + Announcement (showmacs): " + str(macs))
@ -3149,9 +3179,16 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
send_arp(hapd, hapd_bssid=bssid, dst_ll=addr0, sender_ip="192.168.1.130",
target_ip="192.168.1.123", opcode=2)
# ARP Request for the newly introduced IP address from wireless STA
send_arp(dev[0], sender_ip="192.168.1.123", target_ip="192.168.1.131")
# ARP Response from bridge (AP does not proxy for non-wireless devices)
send_arp(dev[2], dst_ll=addr0, sender_ip="192.168.1.131",
target_ip="192.168.1.123", opcode=2)
# ARP Request for the newly introduced IP address from bridge
send_arp(hapd, hapd_bssid=bssid, sender_ip="192.168.1.102",
target_ip="192.168.1.130")
send_arp(dev[2], sender_ip="192.168.1.104", target_ip="192.168.1.131")
# ARP Probe from wireless STA (duplicate address; learned through DHCP)
send_arp(dev[1], target_ip="192.168.1.123")
@ -3176,18 +3213,28 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
send_ns(hapd, hapd_bssid=bssid, target="aaaa:bbbb:dddd::2",
ip_src="aaaa:bbbb:ffff::2")
time.sleep(0.1)
send_ns(dev[2], target="aaaa:bbbb:cccc::2", ip_src="aaaa:bbbb:ff00::2")
time.sleep(0.1)
send_ns(dev[2], target="aaaa:bbbb:dddd::2", ip_src="aaaa:bbbb:ff00::2")
time.sleep(0.1)
send_ns(dev[2], target="aaaa:bbbb:eeee::2", ip_src="aaaa:bbbb:ff00::2")
time.sleep(0.1)
# Try to probe for an already assigned address
send_ns(dev[1], target="aaaa:bbbb:cccc::2", ip_src="::")
time.sleep(0.1)
send_ns(hapd, hapd_bssid=bssid, target="aaaa:bbbb:cccc::2", ip_src="::")
time.sleep(0.1)
send_ns(dev[2], target="aaaa:bbbb:cccc::2", ip_src="::")
time.sleep(0.1)
# Unsolicited NA
send_na(dev[1], target="aaaa:bbbb:cccc:aeae::3",
ip_src="aaaa:bbbb:cccc:aeae::3", ip_dst="ff02::1")
send_na(hapd, hapd_bssid=bssid, target="aaaa:bbbb:cccc:aeae::4",
ip_src="aaaa:bbbb:cccc:aeae::4", ip_dst="ff02::1")
send_na(dev[2], target="aaaa:bbbb:cccc:aeae::5",
ip_src="aaaa:bbbb:cccc:aeae::5", ip_dst="ff02::1")
try:
hwsim_utils.test_connectivity_iface(dev[0], hapd, "ap-br0")
@ -3200,7 +3247,7 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
time.sleep(0.5)
for i in range(3):
for i in range(len(cmd)):
cmd[i].terminate()
macs = get_bridge_macs("ap-br0")
logger.info("After disconnect (showmacs): " + str(macs))