-from abc import abstractmethod, ABCMeta
+import binascii
import socket
+import abc
-from util import Host
-from vpp_neighbor import VppNeighbor
+import six
+from six import moves
+from util import Host, mk_ll_addr
+from vpp_papi import mac_ntop
+from ipaddress import IPv4Network
+try:
+ text_type = unicode
+except NameError:
+ text_type = str
+
+
+@six.add_metaclass(abc.ABCMeta)
class VppInterface(object):
"""Generic VPP interface."""
- __metaclass__ = ABCMeta
@property
def sw_if_index(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_addr_n(self):
+ return self._local_addr_n
+
+ @property
+ def remote_addr_n(self):
+ return self._remote_addr_n
+
@property
def local_ip4(self):
"""Local IPv4 address on VPP interface (string)."""
"""IPv6 address of remote peer - raw, suitable as API parameter"""
return socket.inet_pton(socket.AF_INET6, self.remote_ip6)
+ @property
+ def local_ip6_ll(self):
+ """Local IPv6 link-local address on VPP interface (string)."""
+ return self._local_ip6_ll
+
+ @property
+ def local_ip6n_ll(self):
+ """Local IPv6 link-local address - raw, suitable as API parameter."""
+ return self._local_ip6n_ll
+
+ @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):
+ """Link-local IPv6 address of remote peer
+ - raw, suitable as API parameter"""
+ return self._remote_ip6n_ll
+
@property
def name(self):
"""Name of the interface."""
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)
- host = Host(mac, ip4, ip6)
+ 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
- @abstractmethod
+ @abc.abstractmethod
def __init__(self, test):
self._test = test
self._hosts_by_ip4 = {}
self._hosts_by_ip6 = {}
+ def set_mac(self, mac):
+ self._local_mac = str(mac)
+ self._local_ip6_ll = 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 = "172.16.%u.1" % self.sw_if_index
self._local_ip4n = socket.inet_pton(socket.AF_INET, self.local_ip4)
+ self._local_ip4_subnet = "172.16.%u.0" % self.sw_if_index
+ self._local_ip4n_subnet = socket.inet_pton(socket.AF_INET,
+ self._local_ip4_subnet)
+ self._local_ip4_bcast = "172.16.%u.255" % self.sw_if_index
+ self._local_ip4n_bcast = socket.inet_pton(socket.AF_INET,
+ self._local_ip4_bcast)
self.local_ip4_prefix_len = 24
self.has_ip4_config = False
self.ip4_table_id = 0
self.has_ip6_config = False
self.ip6_table_id = 0
- r = self.test.vapi.sw_interface_dump()
+ self._local_addr = {socket.AF_INET: self.local_ip4,
+ socket.AF_INET6: self.local_ip6}
+ self._local_addr_n = {socket.AF_INET: self.local_ip4n,
+ socket.AF_INET6: self.local_ip6n}
+ self._remote_addr = {socket.AF_INET: self.remote_ip4,
+ socket.AF_INET6: self.remote_ip6}
+ self._remote_addr_n = {socket.AF_INET: self.remote_ip4n,
+ socket.AF_INET6: self.remote_ip6n}
+
+ 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]
- self._local_mac = \
- ':'.join(intf.l2_address.encode('hex')[i:i + 2]
- for i in range(0, 12, 2))
+ self._name = intf.interface_name.split(b'\0',
+ 1)[0].decode('utf8')
+ self._local_mac = mac_ntop(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, repr(r)))
+ (self.sw_if_index, moves.reprlib.repr(r)))
+ self._local_ip6_ll = mk_ll_addr(self.local_mac)
+ self._local_ip6n_ll = socket.inet_pton(socket.AF_INET6,
+ self.local_ip6_ll)
+ self._remote_ip6_ll = mk_ll_addr(self.remote_mac)
+ self._remote_ip6n_ll = socket.inet_pton(socket.AF_INET6,
+ self.remote_ip6_ll)
def config_ip4(self):
"""Configure IPv4 address on the VPP interface."""
self.test.vapi.sw_interface_add_del_address(
- self.sw_if_index, self.local_ip4n, self.local_ip4_prefix_len)
+ sw_if_index=self.sw_if_index, address=self.local_ip4n,
+ address_length=self.local_ip4_prefix_len)
self.has_ip4_config = True
def unconfig_ip4(self):
try:
if self.has_ip4_config:
self.test.vapi.sw_interface_add_del_address(
- self.sw_if_index,
- self.local_ip4n,
- self.local_ip4_prefix_len,
- is_add=0)
+ sw_if_index=self.sw_if_index, address=self.local_ip4n,
+ address_length=self.local_ip4_prefix_len, is_add=0)
except AttributeError:
self.has_ip4_config = False
self.has_ip4_config = False
:param vrf_id: The FIB table / VRF ID. (Default value = 0)
"""
for host in self._remote_hosts:
- macn = host.mac.replace(":", "").decode('hex')
- ipn = host.ip4n
- self.test.vapi.ip_neighbor_add_del(
- self.sw_if_index, macn, ipn)
+ 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(
- self.sw_if_index, self._local_ip6n, self.local_ip6_prefix_len,
- is_ipv6=1)
+ sw_if_index=self.sw_if_index, address=self._local_ip6n,
+ address_length=self.local_ip6_prefix_len, is_ipv6=1)
self.has_ip6_config = True
def unconfig_ip6(self):
try:
if self.has_ip6_config:
self.test.vapi.sw_interface_add_del_address(
- self.sw_if_index,
- self.local_ip6n,
- self.local_ip6_prefix_len,
- is_ipv6=1, is_add=0)
+ sw_if_index=self.sw_if_index, address=self.local_ip6n,
+ address_length=self.local_ip6_prefix_len, is_ipv6=1,
+ is_add=0)
except AttributeError:
self.has_ip6_config = False
self.has_ip6_config = False
:param vrf_id: The FIB table / VRF ID. (Default value = 0)
"""
for host in self._remote_hosts:
- macn = host.mac.replace(":", "").decode('hex')
- ipn = host.ip6n
- self.test.vapi.ip_neighbor_add_del(
- self.sw_if_index, macn, ipn, is_ipv6=1)
+ 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."""
def disable_ipv6_ra(self):
"""Configure IPv6 RA suppress on the VPP interface."""
- self.test.vapi.sw_interface_ra_suppress(self.sw_if_index)
+ 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.ip6_sw_interface_ra_config(self.sw_if_index,
- no,
- suppress,
- send_unicast)
+ self.test.vapi.sw_interface_ip6nd_ra_config(
+ sw_if_index=self.sw_if_index,
+ is_no=no,
+ suppress=suppress,
+ send_unicast=send_unicast)
+ # TODO: This should accept ipaddress object.
def ip6_ra_prefix(self, address, address_length, is_no=0,
off_link=0, no_autoconfig=0, use_default=0):
"""Configure IPv6 RA suppress on the VPP interface."""
- self.test.vapi.ip6_sw_interface_ra_prefix(self.sw_if_index,
- address,
- address_length,
- is_no=is_no,
- off_link=off_link,
- no_autoconfig=no_autoconfig,
- use_default=use_default)
+ self.test.vapi.sw_interface_ip6nd_ra_prefix(
+ sw_if_index=self.sw_if_index,
+ prefix={'address': address,
+ 'address_length': address_length},
+ 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,
admin_up_down=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.ip6_sw_interface_enable_disable(self.sw_if_index,
+ 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.ip6_sw_interface_enable_disable(self.sw_if_index,
+ self.test.vapi.sw_interface_ip6_enable_disable(self.sw_if_index,
enable=0)
def add_sub_if(self, sub_if):
def enable_mpls(self):
"""Enable MPLS on the VPP interface."""
- self.test.vapi.sw_interface_enable_disable_mpls(
- self.sw_if_index)
+ 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:
- if i.address == self.local_ip4n and \
- i.address_length == self.local_ip4_prefix_len and \
- i.table_id == self.ip4_table_id:
+ 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(
- self.sw_if_index,
- 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.admin_up_down, admin_up_down,
+ "admin state")
+ self.test.assert_equal(event.link_up_down, 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.admin_up_down, admin_up_down,
+ "admin state")
+ self.test.assert_equal(if_state.link_up_down, 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]