class VppIpInterfaceAddress(VppObject):
def __init__(self, test, intf, addr, len):
self._test = test
self.intf = intf
self.prefix = VppIpPrefix(addr, len)
def add_vpp_config(self):
self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.intf.sw_if_index, prefix=self.prefix.encode(),
is_add=1)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.intf.sw_if_index, prefix=self.prefix.encode(),
is_add=0)
def query_vpp_config(self):
return fib_interface_ip_prefix(self._test,
self.prefix.address,
self.prefix.length,
self.intf.sw_if_index)
def object_id(self):
return "interface-ip-%s-%s" % (self.intf, self.prefix)
def __init__(self,
test,
role,
mode,
rx_queues=0,
tx_queues=0,
if_id=0,
socket_id=0,
secret="",
ring_size=0,
buffer_size=0,
hw_addr=""):
self._test = test
self.role = role
self.mode = mode
self.rx_queues = rx_queues
self.tx_queues = tx_queues
self.if_id = if_id
self.socket_id = socket_id
self.secret = secret
self.ring_size = ring_size
self.buffer_size = buffer_size
self.hw_addr = hw_addr
self.sw_if_index = None
self.ip_prefix = VppIpPrefix(
"192.168.%d.%d" % (self.if_id + 1, self.role + 1), 24)
def set_sw_if_index(self, sw_if_index):
self._sw_if_index = sw_if_index
self.generate_remote_hosts()
self._local_ip4 = VppIpPrefix("172.16.%u.1" % self.sw_if_index, 24)
self._local_ip4_subnet = "172.16.%u.0" % self.sw_if_index
self._local_ip4_bcast = "172.16.%u.255" % self.sw_if_index
self.has_ip4_config = False
self.ip4_table_id = 0
self._local_ip6 = VppIpPrefix("fd01:%x::1" % self.sw_if_index, 64)
self.has_ip6_config = False
self.ip6_table_id = 0
self._local_addr = {socket.AF_INET: self.local_ip4,
socket.AF_INET6: self.local_ip6}
self._remote_addr = {socket.AF_INET: self.remote_ip4,
socket.AF_INET6: self.remote_ip6}
r = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index)
for intf in r:
if intf.sw_if_index == self.sw_if_index:
self._name = intf.interface_name.split(b'\0',
1)[0].decode('utf8')
self._local_mac = bytes(intf.l2_address)
self._dump = intf
break
else:
raise Exception(
"Could not find interface with sw_if_index %d "
"in interface dump %s" %
(self.sw_if_index, moves.reprlib.repr(r)))
self._local_ip6_ll = VppIpAddress(mk_ll_addr(self.local_mac))
self._remote_ip6_ll = mk_ll_addr(self.remote_mac)
def __init__(self, test, local_label, dest_addr, dest_addr_len,
table_id=0, ip_table_id=0, is_ip6=0):
self._test = test
self.dest_addr_len = dest_addr_len
self.dest_addr = dest_addr
self.ip_addr = ip_address(text_type(dest_addr))
self.local_label = local_label
self.table_id = table_id
self.ip_table_id = ip_table_id
self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
def __init__(self, test, dest_addr,
dest_addr_len, paths, table_id=0, register=True):
self._test = test
self.paths = paths
self.table_id = table_id
self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
self.register = register
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
class VppMplsIpBind(VppObject):
"""
MPLS to IP Binding
"""
def __init__(self,
test,
local_label,
dest_addr,
dest_addr_len,
table_id=0,
ip_table_id=0,
is_ip6=0):
self._test = test
self.dest_addr_len = dest_addr_len
self.dest_addr = dest_addr
self.ip_addr = ip_address(text_type(dest_addr))
self.local_label = local_label
self.table_id = table_id
self.ip_table_id = ip_table_id
self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
def add_vpp_config(self):
self._test.vapi.mpls_ip_bind_unbind(self.local_label,
self.prefix.encode(),
table_id=self.table_id,
ip_table_id=self.ip_table_id)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.mpls_ip_bind_unbind(self.local_label,
self.prefix.encode(),
table_id=self.table_id,
ip_table_id=self.ip_table_id,
is_bind=0)
def query_vpp_config(self):
dump = self._test.vapi.mpls_route_dump(self.table_id)
for e in dump:
if self.local_label == e.mr_route.mr_label \
and self.table_id == e.mr_route.mr_table_id:
return True
return False
def object_id(self):
return ("%d:%s binds %d:%s/%d" %
(self.table_id, self.local_label, self.ip_table_id,
self.dest_addr, self.dest_addr_len))
def fib_interface_ip_prefix(test, address, length, sw_if_index):
vp = VppIpPrefix(address, length)
addrs = test.vapi.ip_address_dump(sw_if_index, is_ipv6=vp.is_ip6)
if vp.is_ip6:
n = 16
else:
n = 4
for a in addrs:
if a.prefix_length == length and \
a.sw_if_index == sw_if_index and \
a.ip[:n] == vp.bytes:
return True
return False
def test_dns_unittest(self):
""" DNS Name Resolver Basic Functional Test """
# Set up an upstream name resolver. We won't actually go there
self.vapi.dns_name_server_add_del(
is_ip6=0, is_add=1, server_address=IPv4Address(u'8.8.8.8').packed)
# Enable name resolution
self.vapi.dns_enable_disable(enable=1)
# Manually add a static dns cache entry
self.logger.info(self.vapi.cli("dns cache add bozo.clown.org 1.2.3.4"))
# Test the binary API
rv = self.vapi.dns_resolve_name(name=b'bozo.clown.org')
self.assertEqual(rv.ip4_address, IPv4Address(u'1.2.3.4').packed)
# Configure 127.0.0.1/8 on the pg interface
self.vapi.sw_interface_add_del_address(
sw_if_index=self.pg0.sw_if_index,
prefix=VppIpPrefix("127.0.0.1", 8).encode())
# Send a couple of DNS request packets, one for bozo.clown.org
# and one for no.clown.org which won't resolve
pkts = self.create_stream(self.pg0)
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
pkts = self.pg0.get_capture(1)
self.verify_capture(self.pg0, pkts)
# Make sure that the cache contents are correct
str = self.vapi.cli("show dns cache verbose")
self.assertIn('1.2.3.4', str)
self.assertIn('[P] no.clown.org:', str)
class VppIpRoute(VppObject):
"""
IP Route
"""
def __init__(self, test, dest_addr,
dest_addr_len, paths, table_id=0, register=True):
self._test = test
self.paths = paths
self.table_id = table_id
self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
self.register = register
self.stats_index = None
self.modified = False
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
def __eq__(self, other):
if self.table_id == other.table_id and \
self.prefix == other.prefix:
return True
return False
def modify(self, paths):
self.paths = paths
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
self.modified = True
self._test.vapi.ip_route_add_del(route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
def add_vpp_config(self):
r = self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
self.stats_index = r.stats_index
if self.register:
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
# there's no need to issue different deletes for modified routes
# we do this only to test the two different ways to delete routes
# eiter by passing all the paths to remove and mutlipath=1 or
# passing no paths and multipath=0
if self.modified:
self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths},
is_add=0,
is_multipath=1)
else:
self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': 0},
is_add=0,
is_multipath=0)
def query_vpp_config(self):
return find_route(self._test,
self.prefix.address,
self.prefix.len,
self.table_id)
def object_id(self):
return ("%s:table-%d-%s/%d" % (
'ip6-route' if self.prefix.addr.version == 6 else 'ip-route',
self.table_id,
self.prefix.address,
self.prefix.len))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
return c[0][self.stats_index]
def get_stats_via(self):
c = self._test.statistics.get_counter("/net/route/via")
return c[0][self.stats_index]
def __init__(self, test, intf, addr, len):
self._test = test
self.intf = intf
self.prefix = VppIpPrefix(addr, len)
def test_bond_traffic(self):
""" Bond traffic test """
# topology
#
# RX-> TX->
#
# pg2 ------+ +------pg0 (slave)
# | |
# BondEthernet0 (10.10.10.1)
# | |
# pg3 ------+ +------pg1 (slave)
#
# create interface (BondEthernet0)
# self.logger.info("create bond")
bond0_mac = "02:fe:38:30:59:3c"
mac = MACAddress(bond0_mac).packed
bond0 = VppBondInterface(self,
mode=3,
lb=1,
numa_only=0,
use_custom_mac=1,
mac_address=mac)
bond0.add_vpp_config()
bond0.admin_up()
self.vapi.sw_interface_add_del_address(sw_if_index=bond0.sw_if_index,
prefix=VppIpPrefix(
"10.10.10.1", 24).encode())
self.pg2.config_ip4()
self.pg2.resolve_arp()
self.pg3.config_ip4()
self.pg3.resolve_arp()
self.logger.info(self.vapi.cli("show interface"))
self.logger.info(self.vapi.cli("show interface address"))
self.logger.info(self.vapi.cli("show ip arp"))
# enslave pg0 and pg1 to BondEthernet0
self.logger.info("bond enslave interface pg0 to BondEthernet0")
bond0.enslave_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index,
is_passive=0,
is_long_timeout=0)
self.logger.info("bond enslave interface pg1 to BondEthernet0")
bond0.enslave_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index,
is_passive=0,
is_long_timeout=0)
# verify both slaves in BondEthernet0
if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index)
self.assertTrue(self.pg0.is_interface_config_in_dump(if_dump))
self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump))
# generate a packet from pg2 -> BondEthernet0 -> pg1
# BondEthernet0 TX hashes this packet to pg1
p2 = (Ether(src=bond0_mac, dst=self.pg2.local_mac) /
IP(src=self.pg2.local_ip4, dst="10.10.10.12") /
UDP(sport=1235, dport=1235) / Raw('\xa5' * 100))
self.pg2.add_stream(p2)
# generate a packet from pg3 -> BondEthernet0 -> pg0
# BondEthernet0 TX hashes this packet to pg0
# notice the ip address and ports are different than p2 packet
p3 = (Ether(src=bond0_mac, dst=self.pg3.local_mac) /
IP(src=self.pg3.local_ip4, dst="10.10.10.11") /
UDP(sport=1234, dport=1234) / Raw('\xa5' * 100))
self.pg3.add_stream(p3)
self.pg_enable_capture(self.pg_interfaces)
# set up the static arp entries pointing to the BondEthernet0 interface
# so that it does not try to resolve the ip address
self.logger.info(
self.vapi.cli(
"set ip arp static BondEthernet0 10.10.10.12 abcd.abcd.0002"))
self.logger.info(
self.vapi.cli(
"set ip arp static BondEthernet0 10.10.10.11 abcd.abcd.0004"))
# clear the interface counters
self.logger.info(self.vapi.cli("clear interfaces"))
self.pg_start()
self.logger.info("check the interface counters")
# verify counters
# BondEthernet0 tx bytes = 284
intfs = self.vapi.cli("show interface BondEthernet0").split("\n")
found = 0
for intf in intfs:
if "tx bytes" in intf and "284" in intf:
found = 1
self.assertEqual(found, 1)
# BondEthernet0 tx bytes = 284
intfs = self.vapi.cli("show interface BondEthernet0").split("\n")
found = 0
for intf in intfs:
if "tx bytes" in intf and "284" in intf:
found = 1
self.assertEqual(found, 1)
# pg2 rx bytes = 142
intfs = self.vapi.cli("show interface pg2").split("\n")
found = 0
for intf in intfs:
if "rx bytes" in intf and "142" in intf:
found = 1
self.assertEqual(found, 1)
# pg3 rx bytes = 142
intfs = self.vapi.cli("show interface pg3").split("\n")
found = 0
for intf in intfs:
if "rx bytes" in intf and "142" in intf:
found = 1
self.assertEqual(found, 1)
bond0.remove_vpp_config()
class VppMemif(VppObject):
def __init__(self,
test,
role,
mode,
rx_queues=0,
tx_queues=0,
if_id=0,
socket_id=0,
secret="",
ring_size=0,
buffer_size=0,
hw_addr=""):
self._test = test
self.role = role
self.mode = mode
self.rx_queues = rx_queues
self.tx_queues = tx_queues
self.if_id = if_id
self.socket_id = socket_id
self.secret = secret
self.ring_size = ring_size
self.buffer_size = buffer_size
self.hw_addr = hw_addr
self.sw_if_index = None
self.ip_prefix = VppIpPrefix(
"192.168.%d.%d" % (self.if_id + 1, self.role + 1), 24)
def add_vpp_config(self):
rv = self._test.vapi.memif_create(role=self.role,
mode=self.mode,
rx_queues=self.rx_queues,
tx_queues=self.tx_queues,
id=self.if_id,
socket_id=self.socket_id,
secret=self.secret,
ring_size=self.ring_size,
buffer_size=self.buffer_size,
hw_addr=self.hw_addr)
try:
self.sw_if_index = 0
except AttributeError:
raise AttributeError('self: %s' % self.__dict__)
try:
self.sw_if_index = rv.sw_if_index
except AttributeError:
raise AttributeError("%s %s", self, rv)
return self.sw_if_index
def admin_up(self):
if self.sw_if_index:
return self._test.vapi.sw_interface_set_flags(
sw_if_index=self.sw_if_index, flags=1)
def admin_down(self):
if self.sw_if_index:
return self._test.vapi.sw_interface_set_flags(
sw_if_index=self.sw_if_index, flags=0)
def wait_for_link_up(self, timeout, step=1):
if not self.sw_if_index:
return False
while True:
dump = self.query_vpp_config()
f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP
if dump.flags & f:
return True
self._test.sleep(step)
timeout -= step
if timeout <= 0:
return False
def config_ip4(self):
return self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode())
def remove_vpp_config(self):
self._test.vapi.memif_delete(self.sw_if_index)
self.sw_if_index = None
def query_vpp_config(self):
if not self.sw_if_index:
return None
dump = self._test.vapi.memif_dump()
return get_if_dump(dump, self.sw_if_index)
def object_id(self):
if self.sw_if_index:
return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
else:
return "%d:%d:None" % (self.role, self.if_id)
class VppInterface(object):
"""Generic VPP interface."""
@property
def sw_if_index(self):
"""Interface index assigned by VPP."""
return self._sw_if_index
@property
def remote_mac(self):
"""MAC-address of the remote interface "connected" to this interface"""
return self._remote_hosts[0].mac
@property
def local_mac(self):
"""MAC-address of the VPP interface."""
return self._local_mac
@property
def local_addr(self):
return self._local_addr
@property
def remote_addr(self):
return self._remote_addr
@property
def local_ip4(self):
"""Local IPv4 address on VPP interface (string)."""
return self._local_ip4.address
@local_ip4.setter
def local_ip4(self, value):
self._local_ip4.address = value
@property
def local_ip4_prefix_len(self):
"""Local IPv4 prefix length """
return self._local_ip4.len
@local_ip4_prefix_len.setter
def local_ip4_prefix_len(self, value):
self._local_ip4.len = value
@property
def local_ip4_prefix(self):
"""Local IPv4 prefix """
return self._local_ip4
@property
def local_ip4n(self):
"""DEPRECATED """
"""Local IPv4 address - raw, suitable as API parameter."""
return socket.inet_pton(socket.AF_INET, self._local_ip4.address)
@property
def remote_ip4(self):
"""IPv4 address of remote peer "connected" to this interface."""
return self._remote_hosts[0].ip4
@property
def remote_ip4n(self):
"""DEPRECATED """
"""Local IPv6 address - raw, suitable as API parameter."""
return socket.inet_pton(socket.AF_INET, self._remote_hosts[0].ip4)
@property
def local_ip6(self):
"""Local IPv6 address on VPP interface (string)."""
return self._local_ip6.address
@local_ip6.setter
def local_ip6(self, value):
self._local_ip6.address = value
@property
def local_ip6_prefix_len(self):
"""Local IPv6 prefix length """
return self._local_ip6.len
@local_ip6_prefix_len.setter
def local_ip6_prefix_len(self, value):
self._local_ip6.len = value
@property
def local_ip6_prefix(self):
"""Local IPv6 prefix """
return self._local_ip6
@property
def local_ip6n(self):
"""DEPRECATED """
"""Local IPv6 address - raw, suitable as API parameter."""
return socket.inet_pton(socket.AF_INET6, self._local_ip6.address)
@property
def remote_ip6(self):
"""IPv6 address of remote peer "connected" to this interface."""
return self._remote_hosts[0].ip6
@property
def remote_ip6n(self):
"""DEPRECATED """
"""Local IPv6 address - raw, suitable as API parameter."""
return socket.inet_pton(socket.AF_INET6, self._remote_hosts[0].ip6)
@property
def local_ip6_ll(self):
"""Local IPv6 link-local address on VPP interface (string)."""
return self._local_ip6_ll.address
@property
def local_ip6n_ll(self):
"""DEPRECATED """
"""Local IPv6 link-local address on VPP interface (string)."""
return socket.inet_pton(socket.AF_INET6, self._local_ip6_ll.address)
@property
def remote_ip6_ll(self):
"""Link-local IPv6 address of remote peer
"connected" to this interface."""
return self._remote_ip6_ll
@property
def remote_ip6n_ll(self):
"""DEPRECATED """
"""Local IPv6 link-local address on VPP interface (string)."""
return socket.inet_pton(socket.AF_INET6, self._remote_ip6_ll)
@property
def name(self):
"""Name of the interface."""
return self._name
@property
def dump(self):
"""RAW result of sw_interface_dump for this interface."""
return self._dump
@property
def test(self):
"""Test case creating this interface."""
return self._test
@property
def remote_hosts(self):
"""Remote hosts list"""
return self._remote_hosts
@remote_hosts.setter
def remote_hosts(self, value):
"""
:param list value: List of remote hosts.
"""
self._remote_hosts = value
self._hosts_by_mac = {}
self._hosts_by_ip4 = {}
self._hosts_by_ip6 = {}
for host in self._remote_hosts:
self._hosts_by_mac[host.mac] = host
self._hosts_by_ip4[host.ip4] = host
self._hosts_by_ip6[host.ip6] = host
def host_by_mac(self, mac):
"""
:param mac: MAC address to find host by.
:return: Host object assigned to interface.
"""
return self._hosts_by_mac[mac]
def host_by_ip4(self, ip):
"""
:param ip: IPv4 address to find host by.
:return: Host object assigned to interface.
"""
return self._hosts_by_ip4[ip]
def host_by_ip6(self, ip):
"""
:param ip: IPv6 address to find host by.
:return: Host object assigned to interface.
"""
return self._hosts_by_ip6[ip]
def generate_remote_hosts(self, count=1):
"""Generate and add remote hosts for the interface.
:param int count: Number of generated remote hosts.
"""
self._remote_hosts = []
self._hosts_by_mac = {}
self._hosts_by_ip4 = {}
self._hosts_by_ip6 = {}
for i in range(
2, count + 2): # 0: network address, 1: local vpp address
mac = "02:%02x:00:00:ff:%02x" % (self.sw_if_index, i)
ip4 = "172.16.%u.%u" % (self.sw_if_index, i)
ip6 = "fd01:%x::%x" % (self.sw_if_index, i)
ip6_ll = mk_ll_addr(mac)
host = Host(mac, ip4, ip6, ip6_ll)
self._remote_hosts.append(host)
self._hosts_by_mac[mac] = host
self._hosts_by_ip4[ip4] = host
self._hosts_by_ip6[ip6] = host
@abc.abstractmethod
def __init__(self, test):
self._test = test
self._remote_hosts = []
self._hosts_by_mac = {}
self._hosts_by_ip4 = {}
self._hosts_by_ip6 = {}
def set_mac(self, mac):
self._local_mac = str(mac)
self._local_ip6_ll = VppIpAddress(mk_ll_addr(self._local_mac))
self.test.vapi.sw_interface_set_mac_address(
self.sw_if_index, mac.packed)
def set_sw_if_index(self, sw_if_index):
self._sw_if_index = sw_if_index
self.generate_remote_hosts()
self._local_ip4 = VppIpPrefix("172.16.%u.1" % self.sw_if_index, 24)
self._local_ip4_subnet = "172.16.%u.0" % self.sw_if_index
self._local_ip4_bcast = "172.16.%u.255" % self.sw_if_index
self.has_ip4_config = False
self.ip4_table_id = 0
self._local_ip6 = VppIpPrefix("fd01:%x::1" % self.sw_if_index, 64)
self.has_ip6_config = False
self.ip6_table_id = 0
self._local_addr = {socket.AF_INET: self.local_ip4,
socket.AF_INET6: self.local_ip6}
self._remote_addr = {socket.AF_INET: self.remote_ip4,
socket.AF_INET6: self.remote_ip6}
r = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index)
for intf in r:
if intf.sw_if_index == self.sw_if_index:
self._name = intf.interface_name.split(b'\0',
1)[0].decode('utf8')
self._local_mac = bytes(intf.l2_address)
self._dump = intf
break
else:
raise Exception(
"Could not find interface with sw_if_index %d "
"in interface dump %s" %
(self.sw_if_index, moves.reprlib.repr(r)))
self._local_ip6_ll = VppIpAddress(mk_ll_addr(self.local_mac))
self._remote_ip6_ll = mk_ll_addr(self.remote_mac)
def config_ip4(self):
"""Configure IPv4 address on the VPP interface."""
self.test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index, prefix=self._local_ip4.encode())
self.has_ip4_config = True
def unconfig_ip4(self):
"""Remove IPv4 address on the VPP interface."""
try:
if self.has_ip4_config:
self.test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index,
prefix=self._local_ip4.encode(), is_add=0)
except AttributeError:
self.has_ip4_config = False
self.has_ip4_config = False
def configure_ipv4_neighbors(self):
"""For every remote host assign neighbor's MAC to IPv4 addresses.
:param vrf_id: The FIB table / VRF ID. (Default value = 0)
"""
for host in self._remote_hosts:
self.test.vapi.ip_neighbor_add_del(self.sw_if_index,
host.mac,
host.ip4)
def config_ip6(self):
"""Configure IPv6 address on the VPP interface."""
self.test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index, prefix=self._local_ip6.encode())
self.has_ip6_config = True
def unconfig_ip6(self):
"""Remove IPv6 address on the VPP interface."""
try:
if self.has_ip6_config:
self.test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index,
prefix=self._local_ip6.encode(), is_add=0)
except AttributeError:
self.has_ip6_config = False
self.has_ip6_config = False
def configure_ipv6_neighbors(self):
"""For every remote host assign neighbor's MAC to IPv6 addresses.
:param vrf_id: The FIB table / VRF ID. (Default value = 0)
"""
for host in self._remote_hosts:
self.test.vapi.ip_neighbor_add_del(self.sw_if_index,
host.mac,
host.ip6)
def unconfig(self):
"""Unconfigure IPv6 and IPv4 address on the VPP interface."""
self.unconfig_ip4()
self.unconfig_ip6()
def set_table_ip4(self, table_id):
"""Set the interface in a IPv4 Table.
.. note:: Must be called before configuring IP4 addresses.
"""
self.ip4_table_id = table_id
self.test.vapi.sw_interface_set_table(
self.sw_if_index, 0, self.ip4_table_id)
def set_table_ip6(self, table_id):
"""Set the interface in a IPv6 Table.
.. note:: Must be called before configuring IP6 addresses.
"""
self.ip6_table_id = table_id
self.test.vapi.sw_interface_set_table(
self.sw_if_index, 1, self.ip6_table_id)
def disable_ipv6_ra(self):
"""Configure IPv6 RA suppress on the VPP interface."""
self.test.vapi.sw_interface_ip6nd_ra_config(
sw_if_index=self.sw_if_index,
suppress=1)
def ip6_ra_config(self, no=0, suppress=0, send_unicast=0):
"""Configure IPv6 RA suppress on the VPP interface."""
self.test.vapi.sw_interface_ip6nd_ra_config(
sw_if_index=self.sw_if_index,
is_no=no,
suppress=suppress,
send_unicast=send_unicast)
def ip6_ra_prefix(self, prefix, is_no=0,
off_link=0, no_autoconfig=0, use_default=0):
"""Configure IPv6 RA suppress on the VPP interface.
prefix can be a string in the format of '<address>/<length_in_bits>'
or ipaddress.ipnetwork object (if strict.)"""
self.test.vapi.sw_interface_ip6nd_ra_prefix(
sw_if_index=self.sw_if_index,
prefix=prefix,
use_default=use_default,
off_link=off_link, no_autoconfig=no_autoconfig,
is_no=is_no)
def admin_up(self):
"""Put interface ADMIN-UP."""
self.test.vapi.sw_interface_set_flags(
self.sw_if_index,
flags=VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_ADMIN_UP)
def admin_down(self):
"""Put interface ADMIN-down."""
self.test.vapi.sw_interface_set_flags(self.sw_if_index,
flags=0)
def link_up(self):
"""Put interface link-state-UP."""
self.test.vapi.cli("test interface link-state %s up" % self.name)
def link_down(self):
"""Put interface link-state-down."""
self.test.vapi.cli("test interface link-state %s down" % self.name)
def ip6_enable(self):
"""IPv6 Enable interface"""
self.test.vapi.sw_interface_ip6_enable_disable(self.sw_if_index,
enable=1)
def ip6_disable(self):
"""Put interface ADMIN-DOWN."""
self.test.vapi.sw_interface_ip6_enable_disable(self.sw_if_index,
enable=0)
def add_sub_if(self, sub_if):
"""Register a sub-interface with this interface.
:param sub_if: sub-interface
"""
if not hasattr(self, 'sub_if'):
self.sub_if = sub_if
else:
if isinstance(self.sub_if, list):
self.sub_if.append(sub_if)
else:
self.sub_if = sub_if
def enable_mpls(self):
"""Enable MPLS on the VPP interface."""
self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index)
def disable_mpls(self):
"""Enable MPLS on the VPP interface."""
self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index, 0)
def is_ip4_entry_in_fib_dump(self, dump):
for i in dump:
n = IPv4Network(text_type("%s/%d" % (self.local_ip4,
self.local_ip4_prefix_len)))
if i.route.prefix == n and \
i.route.table_id == self.ip4_table_id:
return True
return False
def set_unnumbered(self, ip_sw_if_index):
""" Set the interface to unnumbered via ip_sw_if_index """
self.test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
self.sw_if_index)
def unset_unnumbered(self, ip_sw_if_index):
""" Unset the interface to unnumbered via ip_sw_if_index """
self.test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
self.sw_if_index, is_add=0)
def set_proxy_arp(self, enable=1):
""" Set the interface to enable/disable Proxy ARP """
self.test.vapi.proxy_arp_intfc_enable_disable(
self.sw_if_index,
enable)
def query_vpp_config(self):
dump = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index)
return self.is_interface_config_in_dump(dump)
def get_interface_config_from_dump(self, dump):
for i in dump:
if i.interface_name.rstrip(' \t\r\n\0') == self.name and \
i.sw_if_index == self.sw_if_index:
return i
else:
return None
def is_interface_config_in_dump(self, dump):
return self.get_interface_config_from_dump(dump) is not None
def assert_interface_state(self, admin_up_down, link_up_down,
expect_event=False):
if expect_event:
event = self.test.vapi.wait_for_event(timeout=1,
name='sw_interface_event')
self.test.assert_equal(event.sw_if_index, self.sw_if_index,
"sw_if_index")
self.test.assert_equal((event.flags & 1), admin_up_down,
"admin state")
self.test.assert_equal((event.flags & 2), link_up_down,
"link state")
dump = self.test.vapi.sw_interface_dump()
if_state = self.get_interface_config_from_dump(dump)
self.test.assert_equal((if_state.flags & 1), admin_up_down,
"admin state")
self.test.assert_equal((if_state.flags & 2), link_up_down,
"link state")
def __str__(self):
return self.name
def get_rx_stats(self):
c = self.test.statistics.get_counter("^/if/rx$")
return c[0][self.sw_if_index]
def get_tx_stats(self):
c = self.test.statistics.get_counter("^/if/tx$")
return c[0][self.sw_if_index]
class VppIpRoute(VppObject):
"""
IP Route
"""
def __init__(self, test, dest_addr,
dest_addr_len, paths, table_id=0, register=True):
self._test = test
self.paths = paths
self.table_id = table_id
self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
self.register = register
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
def __eq__(self, other):
if self.table_id == other.table_id and \
self.prefix == other.prefix:
return True
return False
def modify(self, paths):
self.paths = paths
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
self._test.vapi.ip_route_add_del(route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
def add_vpp_config(self):
r = self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
self.stats_index = r.stats_index
if self.register:
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.ip_route_add_del(route={'table_id': self.table_id,
'prefix': self.prefix.encode(),
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=0,
is_multipath=0)
def query_vpp_config(self):
return find_route(self._test,
self.prefix.address,
self.prefix.len,
self.table_id)
def object_id(self):
return ("%d:%s/%d"
% (self.table_id,
self.prefix.address,
self.prefix.len))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
return c[0][self.stats_index]
def get_stats_via(self):
c = self._test.statistics.get_counter("/net/route/via")
return c[0][self.stats_index]
def test_svs4(self):
""" Source VRF Select IP4 """
#
# packets destinet out of the 3 non-default table interfaces
#
pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100)),
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100)),
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))]
pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100)),
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100)),
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))]
#
# before adding the SVS config all these packets are dropped when
# ingressing on pg0 since pg0 is in the default table
#
for p in pkts_0:
self.send_and_assert_no_replies(self.pg0, p * 1)
#
# Add table 1001 & 1002 into which we'll add the routes
# determing the source VRF selection
#
table_ids = [101, 102]
for table_id in table_ids:
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP4, table_id)
#
# map X.0.0.0/8 to each SVS table for lookup in table X
#
for i in range(1, 4):
self.vapi.svs_route_add_del(
table_id,
VppIpPrefix("%d.0.0.0" % i, 8).encode(),
i)
#
# Enable SVS on pg0/pg1 using table 1001/1002
#
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
table_ids[0],
self.pg0.sw_if_index)
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
table_ids[1],
self.pg1.sw_if_index)
#
# now all the packets should be delivered out the respective interface
#
self.send_and_expect(self.pg0, pkts_0[0] * 65, self.pg1)
self.send_and_expect(self.pg0, pkts_0[1] * 65, self.pg2)
self.send_and_expect(self.pg0, pkts_0[2] * 65, self.pg3)
self.send_and_expect(self.pg1, pkts_1[0] * 65, self.pg1)
self.send_and_expect(self.pg1, pkts_1[1] * 65, self.pg2)
self.send_and_expect(self.pg1, pkts_1[2] * 65, self.pg3)
#
# check that if the SVS lookup does not match a route the packet
# is forwarded using the interface's routing table
#
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))
self.send_and_expect(self.pg0, p * 65, self.pg0)
p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) /
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))
self.send_and_expect(self.pg1, p * 65, self.pg1)
#
# dump the SVS configs
#
ss = self.vapi.svs_dump()
self.assertEqual(ss[0].table_id, table_ids[0])
self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
self.assertEqual(ss[0].af, IpAddressFamily.ADDRESS_IP4)
self.assertEqual(ss[1].table_id, table_ids[1])
self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
self.assertEqual(ss[1].af, IpAddressFamily.ADDRESS_IP4)
#
# cleanup
#
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
table_ids[0],
self.pg0.sw_if_index,
is_enable=0)
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
table_ids[1],
self.pg1.sw_if_index,
is_enable=0)
for table_id in table_ids:
for i in range(1, 4):
self.vapi.svs_route_add_del(
table_id,
VppIpPrefix("%d.0.0.0" % i, 8).encode(),
0, is_add=0)
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP4,
table_id,
is_add=0)