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Device Emulation (contd.): Verify ARP/NDP cache is cleared after clearNeighbors(); also rename dev_cfg var to devcfg to avoid clash with the test param dev_cfg

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This commit is contained in:
Srivats P 2016-03-21 18:19:15 +05:30
parent 803242db38
commit 0e32a1942d
1 changed files with 113 additions and 27 deletions
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140
test/emultest.py
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@ -557,15 +557,58 @@ def test_multiEmulDevNoVlan(drone, ports, dut, dut_ports, dut_ip,
# FIXME: find alternative to sleep
time.sleep(5)
# resolve ARP on tx/rx ports
# clear ARP/NDP cache
log.info('clearing ARP/NDP cache on tx/rx port')
drone.clearDeviceNeighbors(emul_ports)
log.info('retrieving ARP/NDP entries on tx port to verify clear')
device_list = drone.getDeviceList(emul_ports.port_id[0])
device_config = device_list.Extensions[emul.port_device]
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[0])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on tx port')
for devcfg, device in zip(device_config, devices):
if has_ip4:
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
assert(len(device.arp) == 0)
if has_ip6:
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
assert(len(device.ndp) == 0)
log.info('retrieving ARP/NDP entries on rx port to verify clear')
device_list = drone.getDeviceList(emul_ports.port_id[1])
device_config = device_list.Extensions[emul.port_device]
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[1])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on rx port')
for devcfg, device in zip(device_config, devices):
if has_ip4:
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
assert(len(device.arp) == 0)
if has_ip6:
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
assert(len(device.ndp) == 0)
# resolve ARP/NDP on tx/rx ports
log.info('resolving Neighbors on tx/rx ports ...')
drone.startCapture(emul_ports)
drone.clearDeviceNeighbors(emul_ports)
drone.resolveDeviceNeighbors(emul_ports)
time.sleep(3)
drone.stopCapture(emul_ports)
# verify ARP Requests sent out from tx port
# verify ARP/NDP Requests sent out from tx port
buff = drone.getCaptureBuffer(emul_ports.port_id[0])
drone.saveCaptureBuffer(buff, 'capture.pcap')
log.info('dumping Tx capture buffer (all)')
@ -594,7 +637,7 @@ def test_multiEmulDevNoVlan(drone, ports, dut, dut_ports, dut_ip,
print(cap_pkts)
assert cap_pkts.count('\n') == 1
# verify ARP Requests sent out from rx port
# verify ARP/NDP Requests sent out from rx port
buff = drone.getCaptureBuffer(emul_ports.port_id[1])
drone.saveCaptureBuffer(buff, 'capture.pcap')
log.info('dumping Rx capture buffer (all)')
@ -630,23 +673,23 @@ def test_multiEmulDevNoVlan(drone, ports, dut, dut_ports, dut_ip,
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[0])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on tx port')
for dev_cfg, device in zip(device_config, devices):
for devcfg, device in zip(device_config, devices):
if has_ip4:
resolved = False
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(dev_cfg.ip4)),
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
if (arp.ip4 == dev_cfg.ip4_default_gateway) and (arp.mac):
if (arp.ip4 == devcfg.ip4_default_gateway) and (arp.mac):
resolved = True
assert resolved
if has_ip6:
resolved = False
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(dev_cfg.ip6)),
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
if (ndp.ip6 == dev_cfg.ip6_default_gateway) and (ndp.mac):
if (ndp.ip6 == devcfg.ip6_default_gateway) and (ndp.mac):
resolved = True
assert resolved
@ -656,23 +699,23 @@ def test_multiEmulDevNoVlan(drone, ports, dut, dut_ports, dut_ip,
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[1])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on rx port')
for dev_cfg, device in zip(device_config, devices):
for devcfg, device in zip(device_config, devices):
if has_ip4:
resolved = False
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(dev_cfg.ip4)),
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
if (arp.ip4 == dev_cfg.ip4_default_gateway) and (arp.mac):
if (arp.ip4 == devcfg.ip4_default_gateway) and (arp.mac):
resolved = True
assert resolved
if has_ip6:
resolved = False
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(dev_cfg.ip6)),
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
if (ndp.ip6 == dev_cfg.ip6_default_gateway) and (ndp.mac):
if (ndp.ip6 == devcfg.ip6_default_gateway) and (ndp.mac):
resolved = True
assert resolved
@ -959,10 +1002,53 @@ def test_multiEmulDevPerVlan(request, drone, ports, dut, dut_ports,
if has_ip6:
time.sleep(5)
# clear ARP/NDP cache
log.info('clearing ARP/NDP cache on tx/rx port')
drone.clearDeviceNeighbors(emul_ports)
log.info('retrieving ARP/NDP entries on tx port to verify clear')
device_list = drone.getDeviceList(emul_ports.port_id[0])
device_config = device_list.Extensions[emul.port_device]
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[0])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on tx port')
for devcfg, device in zip(device_config, devices):
if has_ip4:
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
assert(len(device.arp) == 0)
if has_ip6:
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
assert(len(device.ndp) == 0)
log.info('retrieving ARP/NDP entries on rx port to verify clear')
device_list = drone.getDeviceList(emul_ports.port_id[1])
device_config = device_list.Extensions[emul.port_device]
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[1])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on rx port')
for devcfg, device in zip(device_config, devices):
if has_ip4:
for arp in device.arp:
print('%s: %s %012x' %
(str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
assert(len(device.arp) == 0)
if has_ip6:
for ndp in device.ndp:
print('%s: %s %012x' %
(str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
assert(len(device.ndp) == 0)
# resolve ARP/NDP on tx/rx ports
log.info('resolving Neighbors on tx/rx ports ...')
drone.startCapture(emul_ports)
drone.clearDeviceNeighbors(emul_ports)
drone.resolveDeviceNeighbors(emul_ports)
time.sleep(3)
drone.stopCapture(emul_ports)
@ -1042,26 +1128,26 @@ def test_multiEmulDevPerVlan(request, drone, ports, dut, dut_ports,
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[0])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on tx port')
for dev_cfg, device in zip(device_config, devices):
for devcfg, device in zip(device_config, devices):
vlans = ''
for v in dev_cfg.vlan:
for v in devcfg.vlan:
vlans += str(v & 0xffff) + ' '
if has_ip4:
resolved = False
for arp in device.arp:
print('%s%s: %s %012x' %
(vlans, str(ipaddress.ip_address(dev_cfg.ip4)),
(vlans, str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
if (arp.ip4 == dev_cfg.ip4_default_gateway) and (arp.mac):
if (arp.ip4 == devcfg.ip4_default_gateway) and (arp.mac):
resolved = True
assert resolved
if has_ip6:
resolved = False
for ndp in device.ndp:
print('%s%s: %s %012x' %
(vlans, str(ip6_address(dev_cfg.ip6)),
(vlans, str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
if (ndp.ip6 == dev_cfg.ip6_default_gateway) and (ndp.mac):
if (ndp.ip6 == devcfg.ip6_default_gateway) and (ndp.mac):
resolved = True
assert resolved
@ -1071,26 +1157,26 @@ def test_multiEmulDevPerVlan(request, drone, ports, dut, dut_ports,
neigh_list = drone.getDeviceNeighbors(emul_ports.port_id[1])
devices = neigh_list.Extensions[emul.devices]
log.info('ARP/NDP Table on rx port')
for dev_cfg, device in zip(device_config, devices):
for devcfg, device in zip(device_config, devices):
vlans = ''
for v in dev_cfg.vlan:
for v in devcfg.vlan:
vlans += str(v & 0xffff) + ' '
if has_ip4:
resolved = False
for arp in device.arp:
print('%s%s: %s %012x' %
(vlans, str(ipaddress.ip_address(dev_cfg.ip4)),
(vlans, str(ipaddress.ip_address(devcfg.ip4)),
str(ipaddress.ip_address(arp.ip4)), arp.mac))
if (arp.ip4 == dev_cfg.ip4_default_gateway) and (arp.mac):
if (arp.ip4 == devcfg.ip4_default_gateway) and (arp.mac):
resolved = True
assert resolved
if has_ip6:
resolved = False
for ndp in device.ndp:
print('%s%s: %s %012x' %
(vlans, str(ip6_address(dev_cfg.ip6)),
(vlans, str(ip6_address(devcfg.ip6)),
str(ip6_address(ndp.ip6)), ndp.mac))
if (ndp.ip6 == dev_cfg.ip6_default_gateway) and (ndp.mac):
if (ndp.ip6 == devcfg.ip6_default_gateway) and (ndp.mac):
resolved = True
assert resolved