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)
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))
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]
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]