text: import os
  import fnmatch
  import time
  from hook import Hook
  from collections import deque
  
  # Sphinx creates auto-generated documentation by importing the python source
  # files and collecting the docstrings from them. The NO_VPP_PAPI flag allows
  # the vpp_papi_provider.py file to be importable without having to build
  # the whole vpp api if the user only wishes to generate the test documentation.
  do_import = True
  try:
      no_vpp_papi = os.getenv("NO_VPP_PAPI")
      if no_vpp_papi == "1":
          do_import = False
  except:
      pass
  
  if do_import:
      from vpp_papi import VPP
  
  # from vnet/vnet/mpls/mpls_types.h
  MPLS_IETF_MAX_LABEL = 0xfffff
  MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
  
  
  class L2_VTR_OP:
      L2_DISABLED = 0
      L2_PUSH_1 = 1
      L2_PUSH_2 = 2
      L2_POP_1 = 3
      L2_POP_2 = 4
      L2_TRANSLATE_1_1 = 5
      L2_TRANSLATE_1_2 = 6
      L2_TRANSLATE_2_1 = 7
      L2_TRANSLATE_2_2 = 8
  
  
  class UnexpectedApiReturnValueError(Exception):
      """ exception raised when the API return value is unexpected """
      pass
  
  
  class VppPapiProvider(object):
      """VPP-api provider using vpp-papi
  
      @property hook: hook object providing before and after api/cli hooks
      """
  
      _zero, _negative = range(2)
  
      def __init__(self, name, shm_prefix, test_class):
          self.hook = Hook("vpp-papi-provider")
          self.name = name
          self.shm_prefix = shm_prefix
          self.test_class = test_class
          self._expect_api_retval = self._zero
          self._expect_stack = []
          jsonfiles = []
  
          install_dir = os.getenv('VPP_TEST_INSTALL_PATH')
          for root, dirnames, filenames in os.walk(install_dir):
              for filename in fnmatch.filter(filenames, '*.api.json'):
                  jsonfiles.append(os.path.join(root, filename))
  
          self.vpp = VPP(jsonfiles, logger=test_class.logger)
          self._events = deque()
  
      def __enter__(self):
          return self
  
      def expect_negative_api_retval(self):
          """ Expect API failure """
          self._expect_stack.append(self._expect_api_retval)
          self._expect_api_retval = self._negative
          return self
  
      def expect_zero_api_retval(self):
          """ Expect API success """
          self._expect_stack.append(self._expect_api_retval)
          self._expect_api_retval = self._zero
          return self
  
      def __exit__(self, exc_type, exc_value, traceback):
          self._expect_api_retval = self._expect_stack.pop()
  
      def register_hook(self, hook):
          """Replace hook registration with new hook
  
          :param hook:
  
          """
          self.hook = hook
  
      def collect_events(self):
          """ Collect all events from the internal queue and clear the queue. """
          e = self._events
          self._events = deque()
          return e
  
      def wait_for_event(self, timeout, name=None):
          """ Wait for and return next event. """
          if name:
              self.test_class.logger.debug("Expecting event '%s' within %ss",
                                           name, timeout)
          else:
              self.test_class.logger.debug("Expecting event within %ss",
                                           timeout)
          if self._events:
              self.test_class.logger.debug("Not waiting, event already queued")
          limit = time.time() + timeout
          while time.time() < limit:
              if self._events:
                  e = self._events.popleft()
                  if name and type(e).__name__ != name:
                      raise Exception(
                          "Unexpected event received: %s, expected: %s" %
                          (type(e).__name__, name))
                  self.test_class.logger.debug("Returning event %s:%s" %
                                               (name, e))
                  return e
              time.sleep(0)  # yield
          raise Exception("Event did not occur within timeout")
  
      def __call__(self, name, event):
          """ Enqueue event in the internal event queue. """
          # FIXME use the name instead of relying on type(e).__name__ ?
          # FIXME #2 if this throws, it is eaten silently, Ole?
          self.test_class.logger.debug("New event: %s: %s" % (name, event))
          self._events.append(event)
  
      def connect(self):
          """Connect the API to VPP"""
          self.vpp.connect(self.name, self.shm_prefix)
          self.papi = self.vpp.api
          self.vpp.register_event_callback(self)
  
      def disconnect(self):
          """Disconnect the API from VPP"""
          self.vpp.disconnect()
  
      def api(self, api_fn, api_args, expected_retval=0):
          """ Call API function and check it's return value.
          Call the appropriate hooks before and after the API call
  
          :param api_fn: API function to call
          :param api_args: tuple of API function arguments
          :param expected_retval: Expected return value (Default value = 0)
          :returns: reply from the API
  
          """
          self.hook.before_api(api_fn.__name__, api_args)
          reply = api_fn(**api_args)
          if self._expect_api_retval == self._negative:
              if hasattr(reply, 'retval') and reply.retval >= 0:
                  msg = "API call passed unexpectedly: expected negative "\
                      "return value instead of %d in %s" % \
                      (reply.retval, repr(reply))
                  self.test_class.logger.info(msg)
                  raise UnexpectedApiReturnValueError(msg)
          elif self._expect_api_retval == self._zero:
              if hasattr(reply, 'retval') and reply.retval != expected_retval:
                  msg = "API call failed, expected %d return value instead "\
                      "of %d in %s" % (expected_retval, reply.retval,
                                       repr(reply))
                  self.test_class.logger.info(msg)
                  raise UnexpectedApiReturnValueError(msg)
          else:
              raise Exception("Internal error, unexpected value for "
                              "self._expect_api_retval %s" %
                              self._expect_api_retval)
          self.hook.after_api(api_fn.__name__, api_args)
          return reply
  
      def cli(self, cli):
          """ Execute a CLI, calling the before/after hooks appropriately.
  
          :param cli: CLI to execute
          :returns: CLI output
  
          """
          self.hook.before_cli(cli)
          cli += '\n'
          r = self.papi.cli_inband(length=len(cli), cmd=cli)
          self.hook.after_cli(cli)
          if hasattr(r, 'reply'):
              return r.reply.decode().rstrip('\x00')
  
      def ppcli(self, cli):
          """ Helper method to print CLI command in case of info logging level.
  
          :param cli: CLI to execute
          :returns: CLI output
          """
          return cli + "\n" + str(self.cli(cli))
  
      def _convert_mac(self, mac):
          return int(mac.replace(":", ""), 16) << 16
  
      def show_version(self):
          """ """
          return self.api(self.papi.show_version, {})
  
      def pg_create_interface(self, pg_index):
          """
  
          :param pg_index:
  
          """
          return self.api(self.papi.pg_create_interface,
                          {"interface_id": pg_index})
  
      def sw_interface_dump(self, filter=None):
          """
  
          :param filter:  (Default value = None)
  
          """
          if filter is not None:
              args = {"name_filter_valid": 1, "name_filter": filter}
          else:
              args = {}
          return self.api(self.papi.sw_interface_dump, args)
  
      def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id):
          """ Set the IPvX Table-id for the Interface
  
          :param sw_if_index:
          :param is_ipv6:
          :param table_id:
  
          """
          return self.api(self.papi.sw_interface_set_table,
                          {'sw_if_index': sw_if_index, 'is_ipv6': is_ipv6,
                           'vrf_id': table_id})
  
      def sw_interface_add_del_address(self, sw_if_index, addr, addr_len,
                                       is_ipv6=0, is_add=1, del_all=0):
          """
  
          :param addr: param is_ipv6:  (Default value = 0)
          :param sw_if_index:
          :param addr_len:
          :param is_ipv6:  (Default value = 0)
          :param is_add:  (Default value = 1)
          :param del_all:  (Default value = 0)
  
          """
          return self.api(self.papi.sw_interface_add_del_address,
                          {'sw_if_index': sw_if_index,
                           'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'del_all': del_all,
                           'address_length': addr_len,
                           'address': addr})
  
      def sw_interface_set_unnumbered(self, sw_if_index, ip_sw_if_index,
                                      is_add=1):
          """ Set the Interface to be unnumbered
  
          :param is_add:  (Default value = 1)
          :param sw_if_index - interface That will be unnumbered
          :param ip_sw_if_index - interface with an IP addres
  
          """
          return self.api(self.papi.sw_interface_set_unnumbered,
                          {'sw_if_index': ip_sw_if_index,
                           'unnumbered_sw_if_index': sw_if_index,
                           'is_add': is_add})
  
      def sw_interface_enable_disable_mpls(self, sw_if_index,
                                           is_enable=1):
          """
          Enable/Disable MPLS on the interface
          :param sw_if_index:
          :param is_enable:  (Default value = 1)
  
          """
          return self.api(self.papi.sw_interface_set_mpls_enable,
                          {'sw_if_index': sw_if_index,
                           'enable': is_enable})
  
      def sw_interface_ra_suppress(self, sw_if_index, suppress=1):
          return self.api(self.papi.sw_interface_ip6nd_ra_config,
                          {'sw_if_index': sw_if_index,
                           'suppress': suppress})
  
      def set_ip_flow_hash(self,
                           table_id,
                           src=1,
                           dst=1,
                           sport=1,
                           dport=1,
                           proto=1,
                           reverse=0,
                           is_ip6=0):
          return self.api(self.papi.set_ip_flow_hash,
                          {'vrf_id': table_id,
                           'src': src,
                           'dst': dst,
                           'dport': dport,
                           'sport': sport,
                           'proto': proto,
                           'reverse': reverse,
                           'is_ipv6': is_ip6})
  
      def ip6_nd_proxy(self, address, sw_if_index, is_del=0):
          return self.api(self.papi.ip6nd_proxy_add_del,
                          {'address': address,
                           'sw_if_index': sw_if_index,
                           'is_del': is_del})
  
      def ip6_sw_interface_ra_config(self, sw_if_index,
                                     no,
                                     suppress,
                                     send_unicast):
          return self.api(self.papi.sw_interface_ip6nd_ra_config,
                          {'sw_if_index': sw_if_index,
                           'is_no': no,
                           'suppress': suppress,
                           'send_unicast': send_unicast})
  
      def ip6_sw_interface_ra_prefix(self,
                                     sw_if_index,
                                     address,
                                     address_length,
                                     use_default=0,
                                     no_advertise=0,
                                     off_link=0,
                                     no_autoconfig=0,
                                     no_onlink=0,
                                     is_no=0,
                                     val_lifetime=0xffffffff,
                                     pref_lifetime=0xffffffff):
          return self.api(self.papi.sw_interface_ip6nd_ra_prefix,
                          {'sw_if_index': sw_if_index,
                           'address': address,
                           'address_length': address_length,
                           'use_default': use_default,
                           'no_advertise': no_advertise,
                           'off_link': off_link,
                           'no_autoconfig': no_autoconfig,
                           'no_onlink': no_onlink,
                           'is_no': is_no,
                           'val_lifetime': val_lifetime,
                           'pref_lifetime': pref_lifetime})
  
      def ip6_sw_interface_enable_disable(self, sw_if_index, enable):
          """
          Enable/Disable An interface for IPv6
          """
          return self.api(self.papi.sw_interface_ip6_enable_disable,
                          {'sw_if_index': sw_if_index,
                           'enable': enable})
  
      def vxlan_add_del_tunnel(
              self,
              src_addr,
              dst_addr,
              mcast_sw_if_index=0xFFFFFFFF,
              is_add=1,
              is_ipv6=0,
              encap_vrf_id=0,
              decap_next_index=0xFFFFFFFF,
              vni=0):
          """
  
          :param dst_addr:
          :param src_addr:
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param encap_vrf_id:  (Default value = 0)
          :param decap_next_index:  (Default value = 0xFFFFFFFF)
          :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param vni:  (Default value = 0)
  
          """
          return self.api(self.papi.vxlan_add_del_tunnel,
                          {'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'src_address': src_addr,
                           'dst_address': dst_addr,
                           'mcast_sw_if_index': mcast_sw_if_index,
                           'encap_vrf_id': encap_vrf_id,
                           'decap_next_index': decap_next_index,
                           'vni': vni})
  
      def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1,
                                learn=1, arp_term=0, is_add=1):
          """Create/delete bridge domain.
  
          :param int bd_id: Bridge domain index.
          :param int flood: Enable/disable bcast/mcast flooding in the BD.
              (Default value = 1)
          :param int uu_flood: Enable/disable unknown unicast flood in the BD.
              (Default value = 1)
          :param int forward: Enable/disable forwarding on all interfaces in
              the BD. (Default value = 1)
          :param int learn: Enable/disable learning on all interfaces in the BD.
              (Default value = 1)
          :param int arp_term: Enable/disable arp termination in the BD.
              (Default value = 1)
          :param int is_add: Add or delete flag. (Default value = 1)
          """
          return self.api(self.papi.bridge_domain_add_del,
                          {'bd_id': bd_id,
                           'flood': flood,
                           'uu_flood': uu_flood,
                           'forward': forward,
                           'learn': learn,
                           'arp_term': arp_term,
                           'is_add': is_add})
  
      def bd_ip_mac_add_del(self, bd_id, mac, ip, is_ipv6=0, is_add=1):
          return self.api(self.papi.bd_ip_mac_add_del,
                          {'bd_id': bd_id,
                           'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'ip_address': ip,
                           'mac_address': mac})
  
      def want_ip4_arp_events(self, enable_disable=1, address=0):
          return self.api(self.papi.want_ip4_arp_events,
                          {'enable_disable': enable_disable,
                           'address': address,
                           'pid': os.getpid(), })
  
      def want_ip6_nd_events(self, enable_disable=1, address=0):
          return self.api(self.papi.want_ip6_nd_events,
                          {'enable_disable': enable_disable,
                           'address': address,
                           'pid': os.getpid(), })
  
      def want_macs_learn_events(self, enable_disable=1, scan_delay=0,
                                 max_macs_in_event=0, learn_limit=0):
          return self.api(self.papi.want_l2_macs_events,
                          {'enable_disable': enable_disable,
                           'scan_delay': scan_delay,
                           'max_macs_in_event': max_macs_in_event,
                           'learn_limit': learn_limit,
                           'pid': os.getpid(), })
  
      def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0,
                        filter_mac=0, bvi_mac=0):
          """Create/delete L2 FIB entry.
  
          :param str mac: MAC address to create FIB entry for.
          :param int bd_id: Bridge domain index.
          :param int sw_if_index: Software interface index of the interface.
          :param int is_add: Add or delete flag. (Default value = 1)
          :param int static_mac: Set to 1 to create static MAC entry.
              (Default value = 0)
          :param int filter_mac: Set to 1 to drop packet that's source or
              destination MAC address contains defined MAC address.
              (Default value = 0)
          :param int bvi_mac: Set to 1 to create entry that points to BVI
              interface. (Default value = 0)
          """
          return self.api(self.papi.l2fib_add_del,
                          {'mac': self._convert_mac(mac),
                           'bd_id': bd_id,
                           'sw_if_index': sw_if_index,
                           'is_add': is_add,
                           'static_mac': static_mac,
                           'filter_mac': filter_mac,
                           'bvi_mac': bvi_mac})
  
      def l2fib_flush_int(self, sw_if_index):
          """Flush L2 FIB entries for sw_if_index.
  
          :param int sw_if_index: Software interface index of the interface.
          """
          return self.api(self.papi.l2fib_flush_int,
                          {'sw_if_index': sw_if_index})
  
      def l2fib_flush_bd(self, bd_id):
          """Flush L2 FIB entries for bd_id.
  
          :param int sw_if_index: Bridge Domain id.
          """
          return self.api(self.papi.l2fib_flush_bd,
                          {'bd_id': bd_id})
  
      def l2fib_flush_all(self):
          """Flush all L2 FIB.
          """
          return self.api(self.papi.l2fib_flush_all, {})
  
      def sw_interface_set_l2_bridge(self, sw_if_index, bd_id,
                                     shg=0, bvi=0, enable=1):
          """Add/remove interface to/from bridge domain.
  
          :param int sw_if_index: Software interface index of the interface.
          :param int bd_id: Bridge domain index.
          :param int shg: Split-horizon group index. (Default value = 0)
          :param int bvi: Set interface as a bridge group virtual interface.
              (Default value = 0)
          :param int enable: Add or remove interface. (Default value = 1)
          """
          return self.api(self.papi.sw_interface_set_l2_bridge,
                          {'rx_sw_if_index': sw_if_index,
                           'bd_id': bd_id,
                           'shg': shg,
                           'bvi': bvi,
                           'enable': enable})
  
      def bridge_flags(self, bd_id, is_set, feature_bitmap):
          """Enable/disable required feature of the bridge domain with defined ID.
  
          :param int bd_id: Bridge domain ID.
          :param int is_set: Set to 1 to enable, set to 0 to disable the feature.
          :param int feature_bitmap: Bitmap value of the feature to be set:
              - learn (1 << 0),
              - forward (1 << 1),
              - flood (1 << 2),
              - uu-flood (1 << 3) or
              - arp-term (1 << 4).
          """
          return self.api(self.papi.bridge_flags,
                          {'bd_id': bd_id,
                           'is_set': is_set,
                           'feature_bitmap': feature_bitmap})
  
      def bridge_domain_dump(self, bd_id=0):
          """
  
          :param int bd_id: Bridge domain ID. (Default value = 0 => dump of all
              existing bridge domains returned)
          :return: Dictionary of bridge domain(s) data.
          """
          return self.api(self.papi.bridge_domain_dump,
                          {'bd_id': bd_id})
  
      def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index,
                                       enable):
          """Create or delete unidirectional cross-connect from Tx interface to
          Rx interface.
  
          :param int rx_sw_if_index: Software interface index of Rx interface.
          :param int tx_sw_if_index: Software interface index of Tx interface.
          :param int enable: Create cross-connect if equal to 1, delete
              cross-connect if equal to 0.
  
          """
          return self.api(self.papi.sw_interface_set_l2_xconnect,
                          {'rx_sw_if_index': rx_sw_if_index,
                           'tx_sw_if_index': tx_sw_if_index,
                           'enable': enable})
  
      def sw_interface_set_l2_tag_rewrite(
              self,
              sw_if_index,
              vtr_oper,
              push=0,
              tag1=0,
              tag2=0):
          """L2 interface vlan tag rewrite configure request
          :param client_index - opaque cookie to identify the sender
          :param context - sender context, to match reply w/ request
          :param sw_if_index - interface the operation is applied to
          :param vtr_op - Choose from l2_vtr_op_t enum values
          :param push_dot1q - first pushed flag dot1q id set, else dot1ad
          :param tag1 - Needed for any push or translate vtr op
          :param tag2 - Needed for any push 2 or translate x-2 vtr ops
  
          """
          return self.api(self.papi.l2_interface_vlan_tag_rewrite,
                          {'sw_if_index': sw_if_index,
                           'vtr_op': vtr_oper,
                           'push_dot1q': push,
                           'tag1': tag1,
                           'tag2': tag2})
  
      def sw_interface_set_flags(self, sw_if_index, admin_up_down):
          """
  
          :param admin_up_down:
          :param sw_if_index:
  
          """
          return self.api(self.papi.sw_interface_set_flags,
                          {'sw_if_index': sw_if_index,
                           'admin_up_down': admin_up_down})
  
      def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan,
                       no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0,
                       default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0):
          """Create subinterface
          from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad
  
          :param sub_id: param inner_vlan:
          :param sw_if_index:
          :param outer_vlan:
          :param inner_vlan:
          :param no_tags:  (Default value = 0)
          :param one_tag:  (Default value = 0)
          :param two_tags:  (Default value = 0)
          :param dot1ad:  (Default value = 0)
          :param exact_match:  (Default value = 0)
          :param default_sub:  (Default value = 0)
          :param outer_vlan_id_any:  (Default value = 0)
          :param inner_vlan_id_any:  (Default value = 0)
  
          """
          return self.api(
              self.papi.create_subif,
              {'sw_if_index': sw_if_index,
               'sub_id': sub_id,
               'no_tags': no_tags,
               'one_tag': one_tag,
               'two_tags': two_tags,
               'dot1ad': dot1ad,
               'exact_match': exact_match,
               'default_sub': default_sub,
               'outer_vlan_id_any': outer_vlan_id_any,
               'inner_vlan_id_any': inner_vlan_id_any,
               'outer_vlan_id': outer_vlan,
               'inner_vlan_id': inner_vlan})
  
      def create_p2pethernet_subif(self, sw_if_index, remote_mac, subif_id):
          """Create p2p ethernet subinterface
  
          :param sw_if_index: main (parent) interface
          :param remote_mac: client (remote) mac address
  
          """
          return self.api(
              self.papi.p2p_ethernet_add,
              {'parent_if_index': sw_if_index,
               'remote_mac': remote_mac,
               'subif_id': subif_id})
  
      def delete_subif(self, sw_if_index):
          """Delete subinterface
  
          :param sw_if_index:
          """
          return self.api(self.papi.delete_subif,
                          {'sw_if_index': sw_if_index})
  
      def delete_p2pethernet_subif(self, sw_if_index, remote_mac):
          """Delete p2p ethernet subinterface
  
          :param sw_if_index: main (parent) interface
          :param remote_mac: client (remote) mac address
  
          """
          return self.api(
              self.papi.p2p_ethernet_del,
              {'parent_if_index': sw_if_index,
               'remote_mac': remote_mac})
  
      def create_vlan_subif(self, sw_if_index, vlan):
          """
  
          :param vlan:
          :param sw_if_index:
  
          """
          return self.api(self.papi.create_vlan_subif,
                          {'sw_if_index': sw_if_index,
                           'vlan_id': vlan})
  
      def create_loopback(self, mac=''):
          """
  
          :param mac: (Optional)
          """
          return self.api(self.papi.create_loopback,
                          {'mac_address': mac})
  
      def delete_loopback(self, sw_if_index):
          return self.api(self.papi.delete_loopback,
                          {'sw_if_index': sw_if_index, })
  
      def ip_table_add_del(self,
                           table_id,
                           is_add=1,
                           is_ipv6=0):
          """
  
          :param table_id
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
  
          """
  
          return self.api(
              self.papi.ip_table_add_del,
              {'table_id': table_id,
               'is_add': is_add,
               'is_ipv6': is_ipv6})
  
      def ip_add_del_route(
              self,
              dst_address,
              dst_address_length,
              next_hop_address,
              next_hop_sw_if_index=0xFFFFFFFF,
              table_id=0,
              next_hop_table_id=0,
              next_hop_weight=1,
              next_hop_n_out_labels=0,
              next_hop_out_label_stack=[],
              next_hop_via_label=MPLS_LABEL_INVALID,
              is_resolve_host=0,
              is_resolve_attached=0,
              classify_table_index=0xFFFFFFFF,
              is_add=1,
              is_drop=0,
              is_unreach=0,
              is_prohibit=0,
              is_ipv6=0,
              is_local=0,
              is_classify=0,
              is_multipath=0,
              not_last=0):
          """
  
          :param dst_address_length:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param dst_address:
          :param next_hop_address:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param vrf_id:  (Default value = 0)
          :param lookup_in_vrf:  (Default value = 0)
          :param classify_table_index:  (Default value = 0xFFFFFFFF)
          :param is_add:  (Default value = 1)
          :param is_drop:  (Default value = 0)
          :param is_ipv6:  (Default value = 0)
          :param is_local:  (Default value = 0)
          :param is_classify:  (Default value = 0)
          :param is_multipath:  (Default value = 0)
          :param is_resolve_host:  (Default value = 0)
          :param is_resolve_attached:  (Default value = 0)
          :param not_last:  (Default value = 0)
          :param next_hop_weight:  (Default value = 1)
  
          """
  
          return self.api(
              self.papi.ip_add_del_route,
              {'next_hop_sw_if_index': next_hop_sw_if_index,
               'table_id': table_id,
               'classify_table_index': classify_table_index,
               'next_hop_table_id': next_hop_table_id,
               'is_add': is_add,
               'is_drop': is_drop,
               'is_unreach': is_unreach,
               'is_prohibit': is_prohibit,
               'is_ipv6': is_ipv6,
               'is_local': is_local,
               'is_classify': is_classify,
               'is_multipath': is_multipath,
               'is_resolve_host': is_resolve_host,
               'is_resolve_attached': is_resolve_attached,
               'not_last': not_last,
               'next_hop_weight': next_hop_weight,
               'dst_address_length': dst_address_length,
               'dst_address': dst_address,
               'next_hop_address': next_hop_address,
               'next_hop_n_out_labels': next_hop_n_out_labels,
               'next_hop_via_label': next_hop_via_label,
               'next_hop_out_label_stack': next_hop_out_label_stack})
  
      def ip_fib_dump(self):
          return self.api(self.papi.ip_fib_dump, {})
  
      def ip6_fib_dump(self):
          return self.api(self.papi.ip6_fib_dump, {})
  
      def ip_neighbor_add_del(self,
                              sw_if_index,
                              mac_address,
                              dst_address,
                              is_add=1,
                              is_ipv6=0,
                              is_static=0,
                              is_no_adj_fib=0,
                              ):
          """ Add neighbor MAC to IPv4 or IPv6 address.
  
          :param sw_if_index:
          :param mac_address:
          :param dst_address:
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param is_static:  (Default value = 0)
          :param is_no_adj_fib:  (Default value = 0)
          """
  
          return self.api(
              self.papi.ip_neighbor_add_del,
              {'sw_if_index': sw_if_index,
               'is_add': is_add,
               'is_ipv6': is_ipv6,
               'is_static': is_static,
               'is_no_adj_fib': is_no_adj_fib,
               'mac_address': mac_address,
               'dst_address': dst_address
               }
          )
  
      def ip_neighbor_dump(self,
                           sw_if_index,
                           is_ipv6=0):
          """ Return IP neighbor dump.
  
          :param sw_if_index:
          :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
          """
  
          return self.api(
              self.papi.ip_neighbor_dump,
              {'is_ipv6': is_ipv6,
               'sw_if_index': sw_if_index
               }
          )
  
      def proxy_arp_add_del(self,
                            low_address,
                            hi_address,
                            vrf_id=0,
                            is_add=1):
          """ Config Proxy Arp Range.
  
          :param low_address: Start address in the rnage to Proxy for
          :param hi_address: End address in the rnage to Proxy for
          :param vrf_id: The VRF/table in which to proxy
          """
  
          return self.api(
              self.papi.proxy_arp_add_del,
              {'vrf_id': vrf_id,
               'is_add': is_add,
               'low_address': low_address,
               'hi_address': hi_address,
               }
          )
  
      def proxy_arp_intfc_enable_disable(self,
                                         sw_if_index,
                                         is_enable=1):
          """ Enable/Disable an interface for proxy ARP requests
  
          :param sw_if_index: Interface
          :param enable_disable: Enable/Disable
          """
  
          return self.api(
              self.papi.proxy_arp_intfc_enable_disable,
              {'sw_if_index': sw_if_index,
               'enable_disable': is_enable
               }
          )
  
      def reset_vrf(self,
                    vrf_id,
                    is_ipv6=0,
                    ):
          """ Reset VRF (remove all routes etc.) request.
  
          :param int vrf_id: ID of the FIB table / VRF to reset.
          :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
          """
  
          return self.api(
              self.papi.reset_vrf,
              {'vrf_id': vrf_id,
               'is_ipv6': is_ipv6,
               }
          )
  
      def reset_fib(self,
                    vrf_id,
                    is_ipv6=0,
                    ):
          """ Reset VRF (remove all routes etc.) request.
  
          :param int vrf_id: ID of the FIB table / VRF to reset.
          :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
          """
  
          return self.api(
              self.papi.reset_fib,
              {'vrf_id': vrf_id,
               'is_ipv6': is_ipv6,
               }
          )
  
      def ip_dump(self,
                  is_ipv6=0,
                  ):
          """ Return IP dump.
  
          :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
          """
  
          return self.api(
              self.papi.ip_dump,
              {'is_ipv6': is_ipv6,
               }
          )
  
      def sw_interface_span_enable_disable(
              self, sw_if_index_from, sw_if_index_to, state=1, is_l2=0):
          """
  
          :param sw_if_index_from:
          :param sw_if_index_to:
          :param state:
          :param is_l2:
          """
          return self.api(self.papi.sw_interface_span_enable_disable,
                          {'sw_if_index_from': sw_if_index_from,
                           'sw_if_index_to': sw_if_index_to,
                           'state': state,
                           'is_l2': is_l2,
                           })
  
      def gre_tunnel_add_del(self,
                             src_address,
                             dst_address,
                             outer_fib_id=0,
                             is_teb=0,
                             is_add=1,
                             is_ip6=0):
          """ Add a GRE tunnel
  
          :param src_address:
          :param dst_address:
          :param outer_fib_id:  (Default value = 0)
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param is_teb:  (Default value = 0)
          """
  
          return self.api(
              self.papi.gre_add_del_tunnel,
              {'is_add': is_add,
               'is_ipv6': is_ip6,
               'teb': is_teb,
               'src_address': src_address,
               'dst_address': dst_address,
               'outer_fib_id': outer_fib_id}
          )
  
      def mpls_fib_dump(self):
          return self.api(self.papi.mpls_fib_dump, {})
  
      def mpls_table_add_del(
              self,
              table_id,
              is_add=1):
          """
  
          :param table_id
          :param is_add:  (Default value = 1)
  
          """
  
          return self.api(
              self.papi.mpls_table_add_del,
              {'mt_table_id': table_id,
               'mt_is_add': is_add})
  
      def mpls_route_add_del(
              self,
              label,
              eos,
              next_hop_proto,
              next_hop_address,
              next_hop_sw_if_index=0xFFFFFFFF,
              table_id=0,
              next_hop_table_id=0,
              next_hop_weight=1,
              next_hop_n_out_labels=0,
              next_hop_out_label_stack=[],
              next_hop_via_label=MPLS_LABEL_INVALID,
              is_resolve_host=0,
              is_resolve_attached=0,
              is_interface_rx=0,
              is_rpf_id=0,
              is_multicast=0,
              is_add=1,
              is_drop=0,
              is_multipath=0,
              classify_table_index=0xFFFFFFFF,
              is_classify=0,
              not_last=0):
          """
  
          :param dst_address_length:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param dst_address:
          :param next_hop_address:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param vrf_id:  (Default value = 0)
          :param lookup_in_vrf:  (Default value = 0)
          :param classify_table_index:  (Default value = 0xFFFFFFFF)
          :param is_add:  (Default value = 1)
          :param is_drop:  (Default value = 0)
          :param is_ipv6:  (Default value = 0)
          :param is_local:  (Default value = 0)
          :param is_classify:  (Default value = 0)
          :param is_multipath:  (Default value = 0)
          :param is_multicast:  (Default value = 0)
          :param is_resolve_host:  (Default value = 0)
          :param is_resolve_attached:  (Default value = 0)
          :param not_last:  (Default value = 0)
          :param next_hop_weight:  (Default value = 1)
  
          """
  
          return self.api(
              self.papi.mpls_route_add_del,
              {'mr_label': label,
               'mr_eos': eos,
               'mr_table_id': table_id,
               'mr_classify_table_index': classify_table_index,
               'mr_is_add': is_add,
               'mr_is_classify': is_classify,
               'mr_is_multipath': is_multipath,
               'mr_is_multicast': is_multicast,
               'mr_is_resolve_host': is_resolve_host,
               'mr_is_resolve_attached': is_resolve_attached,
               'mr_is_interface_rx': is_interface_rx,
               'mr_is_rpf_id': is_rpf_id,
               'mr_next_hop_proto': next_hop_proto,
               'mr_next_hop_weight': next_hop_weight,
               'mr_next_hop': next_hop_address,
               'mr_next_hop_n_out_labels': next_hop_n_out_labels,
               'mr_next_hop_sw_if_index': next_hop_sw_if_index,
               'mr_next_hop_table_id': next_hop_table_id,
               'mr_next_hop_via_label': next_hop_via_label,
               'mr_next_hop_out_label_stack': next_hop_out_label_stack})
  
      def mpls_ip_bind_unbind(
              self,
              label,
              dst_address,
              dst_address_length,
              table_id=0,
              ip_table_id=0,
              is_ip4=1,
              is_bind=1):
          """
          """
          return self.api(
              self.papi.mpls_ip_bind_unbind,
              {'mb_mpls_table_id': table_id,
               'mb_label': label,
               'mb_ip_table_id': ip_table_id,
               'mb_is_bind': is_bind,
               'mb_is_ip4': is_ip4,
               'mb_address_length': dst_address_length,
               'mb_address': dst_address})
  
      def mpls_tunnel_add_del(
              self,
              tun_sw_if_index,
              next_hop_proto_is_ip4,
              next_hop_address,
              next_hop_sw_if_index=0xFFFFFFFF,
              next_hop_table_id=0,
              next_hop_weight=1,
              next_hop_n_out_labels=0,
              next_hop_out_label_stack=[],
              next_hop_via_label=MPLS_LABEL_INVALID,
              is_add=1,
              l2_only=0,
              is_multicast=0):
          """
  
          :param dst_address_length:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param dst_address:
          :param next_hop_address:
          :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param vrf_id:  (Default value = 0)
          :param lookup_in_vrf:  (Default value = 0)
          :param classify_table_index:  (Default value = 0xFFFFFFFF)
          :param is_add:  (Default value = 1)
          :param is_drop:  (Default value = 0)
          :param is_ipv6:  (Default value = 0)
          :param is_local:  (Default value = 0)
          :param is_classify:  (Default value = 0)
          :param is_multipath:  (Default value = 0)
          :param is_resolve_host:  (Default value = 0)
          :param is_resolve_attached:  (Default value = 0)
          :param next_hop_weight:  (Default value = 1)
          :param is_multicast:  (Default value = 0)
  
          """
          return self.api(
              self.papi.mpls_tunnel_add_del,
              {'mt_sw_if_index': tun_sw_if_index,
               'mt_is_add': is_add,
               'mt_l2_only': l2_only,
               'mt_is_multicast': is_multicast,
               'mt_next_hop_proto_is_ip4': next_hop_proto_is_ip4,
               'mt_next_hop_weight': next_hop_weight,
               'mt_next_hop': next_hop_address,
               'mt_next_hop_n_out_labels': next_hop_n_out_labels,
               'mt_next_hop_sw_if_index': next_hop_sw_if_index,
               'mt_next_hop_table_id': next_hop_table_id,
               'mt_next_hop_out_label_stack': next_hop_out_label_stack})
  
      def nat44_interface_add_del_feature(
              self,
              sw_if_index,
              is_inside=1,
              is_add=1):
          """Enable/disable NAT44 feature on the interface
  
          :param sw_if_index: Software index of the interface
          :param is_inside: 1 if inside, 0 if outside (Default value = 1)
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat44_interface_add_del_feature,
              {'is_add': is_add,
               'is_inside': is_inside,
               'sw_if_index': sw_if_index})
  
      def nat44_interface_add_del_output_feature(
              self,
              sw_if_index,
              is_inside=1,
              is_add=1):
          """Enable/disable NAT44 output feature on the interface
  
          :param sw_if_index: Software index of the interface
          :param is_inside: 1 if inside, 0 if outside (Default value = 1)
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat44_interface_add_del_output_feature,
              {'is_add': is_add,
               'is_inside': is_inside,
               'sw_if_index': sw_if_index})
  
      def nat44_add_del_static_mapping(
              self,
              local_ip,
              external_ip=0,
              external_sw_if_index=0xFFFFFFFF,
              local_port=0,
              external_port=0,
              addr_only=1,
              vrf_id=0,
              protocol=0,
              is_add=1):
          """Add/delete NAT44 static mapping
  
          :param local_ip: Local IP address
          :param external_ip: External IP address
          :param external_sw_if_index: External interface instead of IP address
          :param local_port: Local port number (Default value = 0)
          :param external_port: External port number (Default value = 0)
          :param addr_only: 1 if address only mapping, 0 if address and port
          :param vrf_id: VRF ID
          :param protocol: IP protocol (Default value = 0)
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat44_add_del_static_mapping,
              {'is_add': is_add,
               'addr_only': addr_only,
               'local_ip_address': local_ip,
               'external_ip_address': external_ip,
               'local_port': local_port,
               'external_port': external_port,
               'external_sw_if_index': external_sw_if_index,
               'vrf_id': vrf_id,
               'protocol': protocol})
  
      def nat44_add_del_address_range(
              self,
              first_ip_address,
              last_ip_address,
              is_add=1,
              vrf_id=0xFFFFFFFF):
          """Add/del NAT44 address range
  
          :param first_ip_address: First IP address
          :param last_ip_address: Last IP address
          :param vrf_id: VRF id for the address range
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat44_add_del_address_range,
              {'first_ip_address': first_ip_address,
               'last_ip_address': last_ip_address,
               'vrf_id': vrf_id,
               'is_add': is_add})
  
      def nat44_address_dump(self):
          """Dump NAT44 addresses
          :return: Dictionary of NAT44 addresses
          """
          return self.api(self.papi.nat44_address_dump, {})
  
      def nat44_interface_dump(self):
          """Dump interfaces with NAT44 feature
          :return: Dictionary of interfaces with NAT44 feature
          """
          return self.api(self.papi.nat44_interface_dump, {})
  
      def nat44_interface_output_feature_dump(self):
          """Dump interfaces with NAT44 output feature
          :return: Dictionary of interfaces with NAT44 output feature
          """
          return self.api(self.papi.nat44_interface_output_feature_dump, {})
  
      def nat44_static_mapping_dump(self):
          """Dump NAT44 static mappings
          :return: Dictionary of NAT44 static mappings
          """
          return self.api(self.papi.nat44_static_mapping_dump, {})
  
      def nat_show_config(self):
          """Show NAT plugin config
          :return: NAT plugin config parameters
          """
          return self.api(self.papi.nat_show_config, {})
  
      def nat44_add_interface_addr(
              self,
              sw_if_index,
              is_add=1):
          """Add/del NAT44 address from interface
  
          :param sw_if_index: Software index of the interface
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(self.papi.nat44_add_del_interface_addr,
                          {'is_add': is_add, 'sw_if_index': sw_if_index})
  
      def nat44_interface_addr_dump(self):
          """Dump NAT44 addresses interfaces
          :return: Dictionary of NAT44 addresses interfaces
          """
          return self.api(self.papi.nat44_interface_addr_dump, {})
  
      def nat_ipfix(
              self,
              domain_id=1,
              src_port=4739,
              enable=1):
          """Enable/disable NAT IPFIX logging
  
          :param domain_id: Observation domain ID (Default value = 1)
          :param src_port: Source port number (Default value = 4739)
          :param enable: 1 if enable, 0 if disable (Default value = 1)
          """
          return self.api(
              self.papi.nat_ipfix_enable_disable,
              {'domain_id': domain_id,
               'src_port': src_port,
               'enable': enable})
  
      def nat44_user_session_dump(
              self,
              ip_address,
              vrf_id):
          """Dump NAT44 user's sessions
  
          :param ip_address: ip adress of the user to be dumped
          :param cpu_index: cpu_index on which the user is
          :param vrf_id: VRF ID
          :return: Dictionary of S-NAT sessions
          """
          return self.api(
              self.papi.nat44_user_session_dump,
              {'ip_address': ip_address,
               'vrf_id': vrf_id})
  
      def nat44_user_dump(self):
          """Dump NAT44 users
  
          :return: Dictionary of NAT44 users
          """
          return self.api(self.papi.nat44_user_dump, {})
  
      def nat44_add_del_lb_static_mapping(
              self,
              external_addr,
              external_port,
              protocol,
              vrf_id=0,
              local_num=0,
              locals=[],
              is_add=1):
          """Add/delete NAT44 load balancing static mapping
  
          :param is_add - 1 if add, 0 if delete
          """
          return self.api(
              self.papi.nat44_add_del_lb_static_mapping,
              {'is_add': is_add,
               'external_addr': external_addr,
               'external_port': external_port,
               'protocol': protocol,
               'vrf_id': vrf_id,
               'local_num': local_num,
               'locals': locals})
  
      def nat44_lb_static_mapping_dump(self):
          """Dump NAT44 load balancing static mappings
  
          :return: Dictionary of NAT44 load balancing static mapping
          """
          return self.api(self.papi.nat44_lb_static_mapping_dump, {})
  
      def nat_det_add_del_map(
              self,
              in_addr,
              in_plen,
              out_addr,
              out_plen,
              is_add=1):
          """Add/delete deterministic NAT mapping
  
          :param is_add - 1 if add, 0 if delete
          :param in_addr - inside IP address
          :param in_plen - inside IP address prefix length
          :param out_addr - outside IP address
          :param out_plen - outside IP address prefix length
          """
          return self.api(
              self.papi.nat_det_add_del_map,
              {'is_add': is_add,
               'is_nat44': 1,
               'in_addr': in_addr,
               'in_plen': in_plen,
               'out_addr': out_addr,
               'out_plen': out_plen})
  
      def nat_det_forward(
              self,
              in_addr):
          """Get outside address and port range from inside address
  
          :param in_addr - inside IP address
          """
          return self.api(
              self.papi.nat_det_forward,
              {'in_addr': in_addr,
               'is_nat44': 1})
  
      def nat_det_reverse(
              self,
              out_addr,
              out_port):
          """Get inside address from outside address and port
  
          :param out_addr - outside IP address
          :param out_port - outside port
          """
          return self.api(
              self.papi.nat_det_reverse,
              {'out_addr': out_addr,
               'out_port': out_port})
  
      def nat_det_map_dump(self):
          """Dump deterministic NAT mappings
  
          :return: Dictionary of deterministic NAT mappings
          """
          return self.api(self.papi.nat_det_map_dump, {})
  
      def nat_det_set_timeouts(
              self,
              udp=300,
              tcp_established=7440,
              tcp_transitory=240,
              icmp=60):
          """Set values of timeouts for deterministic NAT (in seconds)
  
          :param udp - UDP timeout (Default value = 300)
          :param tcp_established - TCP established timeout (Default value = 7440)
          :param tcp_transitory - TCP transitory timeout (Default value = 240)
          :param icmp - ICMP timeout (Default value = 60)
          """
          return self.api(
              self.papi.nat_det_set_timeouts,
              {'udp': udp,
               'tcp_established': tcp_established,
               'tcp_transitory': tcp_transitory,
               'icmp': icmp})
  
      def nat_det_get_timeouts(self):
          """Get values of timeouts for deterministic NAT
  
          :return: Timeouts for deterministic NAT (in seconds)
          """
          return self.api(self.papi.nat_det_get_timeouts, {})
  
      def nat_det_close_session_out(
              self,
              out_addr,
              out_port,
              ext_addr,
              ext_port):
          """Close deterministic NAT session using outside address and port
  
          :param out_addr - outside IP address
          :param out_port - outside port
          :param ext_addr - external host IP address
          :param ext_port - external host port
          """
          return self.api(
              self.papi.nat_det_close_session_out,
              {'out_addr': out_addr,
               'out_port': out_port,
               'ext_addr': ext_addr,
               'ext_port': ext_port})
  
      def nat_det_close_session_in(
              self,
              in_addr,
              in_port,
              ext_addr,
              ext_port):
          """Close deterministic NAT session using inside address and port
  
          :param in_addr - inside IP address
          :param in_port - inside port
          :param ext_addr - external host IP address
          :param ext_port - external host port
          """
          return self.api(
              self.papi.nat_det_close_session_in,
              {'in_addr': in_addr,
               'in_port': in_port,
               'ext_addr': ext_addr,
               'ext_port': ext_port,
               'is_nat44': 1})
  
      def nat_det_session_dump(
              self,
              user_addr):
          """Dump deterministic NAT sessions belonging to a user
  
          :param user_addr - inside IP address of the user
          :return: Dictionary of deterministic NAT sessions
          """
          return self.api(
              self.papi.nat_det_session_dump,
              {'is_nat44': 1,
               'user_addr': user_addr})
  
      def nat64_add_del_pool_addr_range(
              self,
              start_addr,
              end_addr,
              vrf_id=0xFFFFFFFF,
              is_add=1):
          """Add/del address range to NAT64 pool
  
          :param start_addr: First IP address
          :param end_addr: Last IP address
          :param vrf_id: VRF id for the address range
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat64_add_del_pool_addr_range,
              {'start_addr': start_addr,
               'end_addr': end_addr,
               'vrf_id': vrf_id,
               'is_add': is_add})
  
      def nat64_pool_addr_dump(self):
          """Dump NAT64 pool addresses
          :return: Dictionary of NAT64 pool addresses
          """
          return self.api(self.papi.nat64_pool_addr_dump, {})
  
      def nat64_add_del_interface(
              self,
              sw_if_index,
              is_inside=1,
              is_add=1):
          """Enable/disable NAT64 feature on the interface
             :param sw_if_index: Index of the interface
             :param is_inside: 1 if inside, 0 if outside (Default value = 1)
             :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat64_add_del_interface,
              {'sw_if_index': sw_if_index,
               'is_inside': is_inside,
               'is_add': is_add})
  
      def nat64_interface_dump(self):
          """Dump interfaces with NAT64 feature
          :return: Dictionary of interfaces with NAT64 feature
          """
          return self.api(self.papi.nat64_interface_dump, {})
  
      def nat64_add_del_static_bib(
              self,
              in_ip,
              out_ip,
              in_port,
              out_port,
              protocol,
              vrf_id=0,
              is_add=1):
          """Add/delete S-NAT static BIB entry
  
          :param in_ip: Inside IPv6 address
          :param out_ip: Outside IPv4 address
          :param in_port: Inside port number
          :param out_port: Outside port number
          :param protocol: IP protocol
          :param vrf_id: VRF ID (Default value = 0)
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat64_add_del_static_bib,
              {'i_addr': in_ip,
               'o_addr': out_ip,
               'i_port': in_port,
               'o_port': out_port,
               'vrf_id': vrf_id,
               'proto': protocol,
               'is_add': is_add})
  
      def nat64_bib_dump(self, protocol=255):
          """Dump NAT64 BIB
  
          :param protocol: IP protocol (Default value = 255, all BIBs)
          :returns: Dictionary of NAT64 BIB entries
          """
          return self.api(self.papi.nat64_bib_dump, {'proto': protocol})
  
      def nat64_set_timeouts(self, udp=300, icmp=60, tcp_trans=240, tcp_est=7440,
                             tcp_incoming_syn=6):
          """Set values of timeouts for NAT64 (in seconds)
  
          :param udpi: UDP timeout (Default value = 300)
          :param icmp: ICMP timeout (Default value = 60)
          :param tcp_trans: TCP transitory timeout (Default value = 240)
          :param tcp_est: TCP established timeout (Default value = 7440)
          :param tcp_incoming_syn: TCP incoming SYN timeout (Default value = 6)
          """
          return self.api(
              self.papi.nat64_set_timeouts,
              {'udp': udp,
               'icmp': icmp,
               'tcp_trans': tcp_trans,
               'tcp_est': tcp_est,
               'tcp_incoming_syn': tcp_incoming_syn})
  
      def nat64_get_timeouts(self):
          """Get values of timeouts for NAT64
  
          :return: Timeouts for NAT64 (in seconds)
          """
          return self.api(self.papi.nat64_get_timeouts, {})
  
      def nat64_st_dump(self, protocol=255):
          """Dump NAT64 session table
  
          :param protocol: IP protocol (Default value = 255, all STs)
          :returns: Dictionary of NAT64 sesstion table entries
          """
          return self.api(self.papi.nat64_st_dump, {'proto': protocol})
  
      def nat64_add_del_prefix(self, prefix, plen, vrf_id=0, is_add=1):
          """Add/del NAT64 prefix
  
          :param prefix: NAT64 prefix
          :param plen: NAT64 prefix length
          :param vrf_id: VRF id of tenant (Default 0)
          :param is_add: 1 if add, 0 if delete (Default value = 1)
          """
          return self.api(
              self.papi.nat64_add_del_prefix,
              {'prefix': prefix,
               'prefix_len': plen,
               'vrf_id': vrf_id,
               'is_add': is_add})
  
      def nat64_prefix_dump(self):
          """Dump NAT64 prefix
  
          :returns: Dictionary of NAT64 prefixes
          """
          return self.api(self.papi.nat64_prefix_dump, {})
  
      def control_ping(self):
          self.api(self.papi.control_ping)
  
      def bfd_udp_add(self, sw_if_index, desired_min_tx, required_min_rx,
                      detect_mult, local_addr, peer_addr, is_ipv6=0,
                      bfd_key_id=None, conf_key_id=None):
          if bfd_key_id is None:
              return self.api(self.papi.bfd_udp_add,
                              {
                                  'sw_if_index': sw_if_index,
                                  'desired_min_tx': desired_min_tx,
                                  'required_min_rx': required_min_rx,
                                  'local_addr': local_addr,
                                  'peer_addr': peer_addr,
                                  'is_ipv6': is_ipv6,
                                  'detect_mult': detect_mult,
                              })
          else:
              return self.api(self.papi.bfd_udp_add,
                              {
                                  'sw_if_index': sw_if_index,
                                  'desired_min_tx': desired_min_tx,
                                  'required_min_rx': required_min_rx,
                                  'local_addr': local_addr,
                                  'peer_addr': peer_addr,
                                  'is_ipv6': is_ipv6,
                                  'detect_mult': detect_mult,
                                  'is_authenticated': 1,
                                  'bfd_key_id': bfd_key_id,
                                  'conf_key_id': conf_key_id,
                              })
  
      def bfd_udp_mod(self, sw_if_index, desired_min_tx, required_min_rx,
                      detect_mult, local_addr, peer_addr, is_ipv6=0):
          return self.api(self.papi.bfd_udp_mod,
                          {
                              'sw_if_index': sw_if_index,
                              'desired_min_tx': desired_min_tx,
                              'required_min_rx': required_min_rx,
                              'local_addr': local_addr,
                              'peer_addr': peer_addr,
                              'is_ipv6': is_ipv6,
                              'detect_mult': detect_mult,
                          })
  
      def bfd_udp_auth_activate(self, sw_if_index, local_addr, peer_addr,
                                is_ipv6=0, bfd_key_id=None, conf_key_id=None,
                                is_delayed=False):
          return self.api(self.papi.bfd_udp_auth_activate,
                          {
                              'sw_if_index': sw_if_index,
                              'local_addr': local_addr,
                              'peer_addr': peer_addr,
                              'is_ipv6': is_ipv6,
                              'is_delayed': 1 if is_delayed else 0,
                              'bfd_key_id': bfd_key_id,
                              'conf_key_id': conf_key_id,
                          })
  
      def bfd_udp_auth_deactivate(self, sw_if_index, local_addr, peer_addr,
                                  is_ipv6=0, is_delayed=False):
          return self.api(self.papi.bfd_udp_auth_deactivate,
                          {
                              'sw_if_index': sw_if_index,
                              'local_addr': local_addr,
                              'peer_addr': peer_addr,
                              'is_ipv6': is_ipv6,
                              'is_delayed': 1 if is_delayed else 0,
                          })
  
      def bfd_udp_del(self, sw_if_index, local_addr, peer_addr, is_ipv6=0):
          return self.api(self.papi.bfd_udp_del,
                          {
                              'sw_if_index': sw_if_index,
                              'local_addr': local_addr,
                              'peer_addr': peer_addr,
                              'is_ipv6': is_ipv6,
                          })
  
      def bfd_udp_session_dump(self):
          return self.api(self.papi.bfd_udp_session_dump, {})
  
      def bfd_udp_session_set_flags(self, admin_up_down, sw_if_index, local_addr,
                                    peer_addr, is_ipv6=0):
          return self.api(self.papi.bfd_udp_session_set_flags, {
              'admin_up_down': admin_up_down,
              'sw_if_index': sw_if_index,
              'local_addr': local_addr,
              'peer_addr': peer_addr,
              'is_ipv6': is_ipv6,
          })
  
      def want_bfd_events(self, enable_disable=1):
          return self.api(self.papi.want_bfd_events, {
              'enable_disable': enable_disable,
              'pid': os.getpid(),
          })
  
      def bfd_auth_set_key(self, conf_key_id, auth_type, key):
          return self.api(self.papi.bfd_auth_set_key, {
              'conf_key_id': conf_key_id,
              'auth_type': auth_type,
              'key': key,
              'key_len': len(key),
          })
  
      def bfd_auth_del_key(self, conf_key_id):
          return self.api(self.papi.bfd_auth_del_key, {
              'conf_key_id': conf_key_id,
          })
  
      def bfd_auth_keys_dump(self):
          return self.api(self.papi.bfd_auth_keys_dump, {})
  
      def bfd_udp_set_echo_source(self, sw_if_index):
          return self.api(self.papi.bfd_udp_set_echo_source,
                          {'sw_if_index': sw_if_index})
  
      def bfd_udp_del_echo_source(self):
          return self.api(self.papi.bfd_udp_del_echo_source, {})
  
      def classify_add_del_table(
              self,
              is_add,
              mask,
              match_n_vectors=1,
              table_index=0xFFFFFFFF,
              nbuckets=2,
              memory_size=2097152,
              skip_n_vectors=0,
              next_table_index=0xFFFFFFFF,
              miss_next_index=0xFFFFFFFF,
              current_data_flag=0,
              current_data_offset=0):
          """
          :param is_add:
          :param mask:
          :param match_n_vectors: (Default value = 1)
          :param table_index: (Default value = 0xFFFFFFFF)
          :param nbuckets:  (Default value = 2)
          :param memory_size:  (Default value = 2097152)
          :param skip_n_vectors:  (Default value = 0)
          :param next_table_index:  (Default value = 0xFFFFFFFF)
          :param miss_next_index:  (Default value = 0xFFFFFFFF)
          :param current_data_flag:  (Default value = 0)
          :param current_data_offset:  (Default value = 0)
          """
  
          return self.api(
              self.papi.classify_add_del_table,
              {'is_add': is_add,
               'table_index': table_index,
               'nbuckets': nbuckets,
               'memory_size': memory_size,
               'skip_n_vectors': skip_n_vectors,
               'match_n_vectors': match_n_vectors,
               'next_table_index': next_table_index,
               'miss_next_index': miss_next_index,
               'current_data_flag': current_data_flag,
               'current_data_offset': current_data_offset,
               'mask': mask})
  
      def classify_add_del_session(
              self,
              is_add,
              table_index,
              match,
              opaque_index=0xFFFFFFFF,
              hit_next_index=0xFFFFFFFF,
              advance=0,
              action=0,
              metadata=0):
          """
          :param is_add:
          :param table_index:
          :param match:
          :param opaque_index:  (Default value = 0xFFFFFFFF)
          :param hit_next_index:  (Default value = 0xFFFFFFFF)
          :param advance:  (Default value = 0)
          :param action:  (Default value = 0)
          :param metadata:  (Default value = 0)
          """
  
          return self.api(
              self.papi.classify_add_del_session,
              {'is_add': is_add,
               'table_index': table_index,
               'hit_next_index': hit_next_index,
               'opaque_index': opaque_index,
               'advance': advance,
               'action': action,
               'metadata': metadata,
               'match': match})
  
      def input_acl_set_interface(
              self,
              is_add,
              sw_if_index,
              ip4_table_index=0xFFFFFFFF,
              ip6_table_index=0xFFFFFFFF,
              l2_table_index=0xFFFFFFFF):
          """
          :param is_add:
          :param sw_if_index:
          :param ip4_table_index:  (Default value = 0xFFFFFFFF)
          :param ip6_table_index:  (Default value = 0xFFFFFFFF)
          :param l2_table_index:  (Default value = 0xFFFFFFFF)
          """
  
          return self.api(
              self.papi.input_acl_set_interface,
              {'sw_if_index': sw_if_index,
               'ip4_table_index': ip4_table_index,
               'ip6_table_index': ip6_table_index,
               'l2_table_index': l2_table_index,
               'is_add': is_add})
  
      def set_ipfix_exporter(
              self,
              collector_address,
              src_address,
              path_mtu,
              template_interval,
              vrf_id=0,
              collector_port=4739,
              udp_checksum=0):
          return self.api(
              self.papi.set_ipfix_exporter,
              {
                  'collector_address': collector_address,
                  'collector_port': collector_port,
                  'src_address': src_address,
                  'vrf_id': vrf_id,
                  'path_mtu': path_mtu,
                  'template_interval': template_interval,
                  'udp_checksum': udp_checksum,
              })
  
      def dhcp_proxy_config(self,
                            dhcp_server,
                            dhcp_src_address,
                            rx_table_id=0,
                            server_table_id=0,
                            is_add=1,
                            is_ipv6=0):
          return self.api(
              self.papi.dhcp_proxy_config,
              {
                  'rx_vrf_id': rx_table_id,
                  'server_vrf_id': server_table_id,
                  'is_ipv6': is_ipv6,
                  'is_add': is_add,
                  'dhcp_server': dhcp_server,
                  'dhcp_src_address': dhcp_src_address,
              })
  
      def dhcp_proxy_set_vss(self,
                             table_id,
                             fib_id,
                             oui,
                             is_add=1,
                             is_ip6=0):
          return self.api(
              self.papi.dhcp_proxy_set_vss,
              {
                  'tbl_id': table_id,
                  'fib_id': fib_id,
                  'is_ipv6': is_ip6,
                  'is_add': is_add,
                  'oui': oui,
              })
  
      def dhcp_client(self,
                      sw_if_index,
                      hostname,
                      client_id='',
                      is_add=1,
                      want_dhcp_events=0):
          return self.api(
              self.papi.dhcp_client_config,
              {
                  'sw_if_index': sw_if_index,
                  'hostname': hostname,
                  'client_id': client_id,
                  'is_add': is_add,
                  'want_dhcp_event': want_dhcp_events,
                  'pid': os.getpid(),
              })
  
      def ip_mroute_add_del(self,
                            src_address,
                            grp_address,
                            grp_address_length,
                            e_flags,
                            next_hop_sw_if_index,
                            i_flags,
                            rpf_id=0,
                            table_id=0,
                            is_add=1,
                            is_ipv6=0,
                            is_local=0):
          """
          """
          return self.api(
              self.papi.ip_mroute_add_del,
              {'next_hop_sw_if_index': next_hop_sw_if_index,
               'entry_flags': e_flags,
               'itf_flags': i_flags,
               'table_id': table_id,
               'rpf_id': rpf_id,
               'is_add': is_add,
               'is_ipv6': is_ipv6,
               'is_local': is_local,
               'grp_address_length': grp_address_length,
               'grp_address': grp_address,
               'src_address': src_address})
  
      def mfib_signal_dump(self):
          return self.api(self.papi.mfib_signal_dump, {})
  
      def ip_mfib_dump(self):
          return self.api(self.papi.ip_mfib_dump, {})
  
      def lisp_enable_disable(self, is_enabled):
          return self.api(
              self.papi.lisp_enable_disable,
              {
                  'is_en': is_enabled,
              })
  
      def lisp_locator_set(self,
                           ls_name,
                           is_add=1):
          return self.api(
              self.papi.lisp_add_del_locator_set,
              {
                  'is_add': is_add,
                  'locator_set_name': ls_name
              })
  
      def lisp_locator_set_dump(self):
          return self.api(self.papi.lisp_locator_set_dump, {})
  
      def lisp_locator(self,
                       ls_name,
                       sw_if_index,
                       priority=1,
                       weight=1,
                       is_add=1):
          return self.api(
              self.papi.lisp_add_del_locator,
              {
                  'is_add': is_add,
                  'locator_set_name': ls_name,
                  'sw_if_index': sw_if_index,
                  'priority': priority,
                  'weight': weight
              })
  
      def lisp_locator_dump(self, is_index_set, ls_name=None, ls_index=0):
          return self.api(
              self.papi.lisp_locator_dump,
              {
                  'is_index_set': is_index_set,
                  'ls_name': ls_name,
                  'ls_index': ls_index,
              })
  
      def lisp_local_mapping(self,
                             ls_name,
                             eid_type,
                             eid,
                             prefix_len,
                             vni=0,
                             key_id=0,
                             key="",
                             is_add=1):
          return self.api(
              self.papi.lisp_add_del_local_eid,
              {
                  'locator_set_name': ls_name,
                  'is_add': is_add,
                  'eid_type': eid_type,
                  'eid': eid,
                  'prefix_len': prefix_len,
                  'vni': vni,
                  'key_id': key_id,
                  'key': key
              })
  
      def lisp_eid_table_dump(self,
                              eid_set=0,
                              prefix_length=0,
                              vni=0,
                              eid_type=0,
                              eid=None,
                              filter_opt=0):
          return self.api(
              self.papi.lisp_eid_table_dump,
              {
                  'eid_set': eid_set,
                  'prefix_length': prefix_length,
                  'vni': vni,
                  'eid_type': eid_type,
                  'eid': eid,
                  'filter': filter_opt,
              })
  
      def lisp_remote_mapping(self,
                              eid_type,
                              eid,
                              eid_prefix_len=0,
                              vni=0,
                              rlocs=[],
                              rlocs_num=0,
                              is_src_dst=0,
                              is_add=1):
          return self.api(
              self.papi.lisp_add_del_remote_mapping,
              {
                  'is_add': is_add,
                  'eid_type': eid_type,
                  'eid': eid,
                  'eid_len': eid_prefix_len,
                  'rloc_num': rlocs_num,
                  'rlocs': rlocs,
                  'vni': vni,
                  'is_src_dst': is_src_dst,
              })
  
      def lisp_adjacency(self,
                         leid,
                         reid,
                         leid_len,
                         reid_len,
                         eid_type,
                         is_add=1,
                         vni=0):
          return self.api(
              self.papi.lisp_add_del_adjacency,
              {
                  'is_add': is_add,
                  'vni': vni,
                  'eid_type': eid_type,
                  'leid': leid,
                  'reid': reid,
                  'leid_len': leid_len,
                  'reid_len': reid_len,
              })
  
      def lisp_adjacencies_get(self, vni=0):
          return self.api(
              self.papi.lisp_adjacencies_get,
              {
                  'vni': vni
              })
  
      def map_add_domain(self,
                         ip6_prefix,
                         ip6_prefix_len,
                         ip6_src,
                         ip6_src_prefix_len,
                         ip4_prefix,
                         ip4_prefix_len,
                         ea_bits_len=0,
                         psid_offset=0,
                         psid_length=0,
                         is_translation=0,
                         mtu=1280):
          return self.api(
              self.papi.map_add_domain,
              {
                  'ip6_prefix': ip6_prefix,
                  'ip6_prefix_len': ip6_prefix_len,
                  'ip4_prefix': ip4_prefix,
                  'ip4_prefix_len': ip4_prefix_len,
                  'ip6_src': ip6_src,
                  'ip6_src_prefix_len': ip6_src_prefix_len,
                  'ea_bits_len': ea_bits_len,
                  'psid_offset': psid_offset,
                  'psid_length': psid_length,
                  'is_translation': is_translation,
                  'mtu': mtu
              })
  
      def gtpu_add_del_tunnel(
              self,
              src_addr,
              dst_addr,
              is_add=1,
              is_ipv6=0,
              mcast_sw_if_index=0xFFFFFFFF,
              encap_vrf_id=0,
              decap_next_index=0xFFFFFFFF,
              teid=0):
          """
  
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param src_addr:
          :param dst_addr:
          :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param encap_vrf_id:  (Default value = 0)
          :param decap_next_index:  (Default value = 0xFFFFFFFF)
          :param teid:  (Default value = 0)
  
          """
          return self.api(self.papi.gtpu_add_del_tunnel,
                          {'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'src_address': src_addr,
                           'dst_address': dst_addr,
                           'mcast_sw_if_index': mcast_sw_if_index,
                           'encap_vrf_id': encap_vrf_id,
                           'decap_next_index': decap_next_index,
                           'teid': teid})
  
      def vxlan_gpe_add_del_tunnel(
              self,
              src_addr,
              dst_addr,
              mcast_sw_if_index=0xFFFFFFFF,
              is_add=1,
              is_ipv6=0,
              encap_vrf_id=0,
              decap_vrf_id=0,
              protocol=3,
              vni=0):
          """
  
          :param local:
          :param remote:
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param encap_vrf_id:  (Default value = 0)
          :param decap_vrf_id:  (Default value = 0)
          :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
          :param protocol:  (Default value = 3)
          :param vni:  (Default value = 0)
  
          """
          return self.api(self.papi.vxlan_gpe_add_del_tunnel,
                          {'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'local': src_addr,
                           'remote': dst_addr,
                           'mcast_sw_if_index': mcast_sw_if_index,
                           'encap_vrf_id': encap_vrf_id,
                           'decap_vrf_id': decap_vrf_id,
                           'protocol': protocol,
                           'vni': vni})
  
      def pppoe_add_del_session(
              self,
              client_ip,
              client_mac,
              session_id=0,
              is_add=1,
              is_ipv6=0,
              decap_vrf_id=0):
          """
  
          :param is_add:  (Default value = 1)
          :param is_ipv6:  (Default value = 0)
          :param client_ip:
          :param session_id:  (Default value = 0)
          :param client_mac:
          :param decap_vrf_id:  (Default value = 0)
  
          """
          return self.api(self.papi.pppoe_add_del_session,
                          {'is_add': is_add,
                           'is_ipv6': is_ipv6,
                           'session_id': session_id,
                           'client_ip': client_ip,
                           'decap_vrf_id': decap_vrf_id,
                           'client_mac': client_mac})
  
      def sr_localsid_add_del(self,
                              localsid_addr,
                              behavior,
                              nh_addr,
                              is_del=0,
                              end_psp=0,
                              sw_if_index=0xFFFFFFFF,
                              vlan_index=0,
                              fib_table=0,
                              ):
          """ Add/del IPv6 SR local-SID.
  
          :param localsid_addr:
          :param behavior: END=1; END.X=2; END.DX2=4; END.DX6=5;
          :param behavior: END.DX4=6; END.DT6=7; END.DT4=8
          :param nh_addr:
          :param is_del:  (Default value = 0)
          :param end_psp: (Default value = 0)
          :param sw_if_index: (Default value = 0xFFFFFFFF)
          :param vlan_index:  (Default value = 0)
          :param fib_table:   (Default value = 0)
          """
          return self.api(
              self.papi.sr_localsid_add_del,
              {'is_del': is_del,
               'localsid_addr': localsid_addr,
               'end_psp': end_psp,
               'behavior': behavior,
               'sw_if_index': sw_if_index,
               'vlan_index': vlan_index,
               'fib_table': fib_table,
               'nh_addr': nh_addr
               }
          )
  
      def sr_policy_add(
              self,
              bsid_addr,
              weight=1,
              is_encap=1,
              type=0,
              fib_table=0,
              n_segments=0,
              segments=[]):
          """
          :param bsid_addr: bindingSID of the SR Policy
          :param weight: weight of the sid list. optional. (default: 1)
          :param is_encap: (bool) whether SR policy should Encap or SRH insert \
              (default: Encap)
          :param type: type/behavior of the SR policy. (default or spray) \
              (default: default)
          :param fib_table: VRF where to install the FIB entry for the BSID \
              (default: 0)
          :param n_segments: number of segments \
              (default: 0)
          :param segments: a vector of IPv6 address composing the segment list \
              (default: [])
          """
          return self.api(
              self.papi.sr_policy_add,
              {'bsid_addr': bsid_addr,
               'weight': weight,
               'is_encap': is_encap,
               'type': type,
               'fib_table': fib_table,
               'n_segments': n_segments,
               'segments': segments
               }
          )
  
      def sr_policy_del(
              self,
              bsid_addr,
              sr_policy_index=0):
          """
          :param bsid: bindingSID of the SR Policy
          :param sr_policy_index: index of the sr policy (default: 0)
          """
          return self.api(
              self.papi.sr_policy_del,
              {'bsid_addr': bsid_addr,
               'sr_policy_index': sr_policy_index
               })
  
      def sr_steering_add_del(
              self,
              is_del,
              bsid_addr,
              sr_policy_index,
              table_id,
              prefix_addr,
              mask_width,
              sw_if_index,
              traffic_type):
          """
          Steer traffic L2 and L3 traffic through a given SR policy
  
          :param is_del: delete or add
          :param bsid_addr: bindingSID of the SR Policy (alt to sr_policy_index)
          :param sr_policy: is the index of the SR Policy (alt to bsid)
          :param table_id: is the VRF where to install the FIB entry for the BSID
          :param prefix_addr: is the IPv4/v6 address for L3 traffic type
          :param mask_width: is the mask for L3 traffic type
          :param sw_if_index: is the incoming interface for L2 traffic
          :param traffic_type: type of traffic (IPv4: 4, IPv6: 6, L2: 2)
          """
          return self.api(
              self.papi.sr_steering_add_del,
              {'is_del': is_del,
               'bsid_addr': bsid_addr,
               'sr_policy_index': sr_policy_index,
               'table_id': table_id,
               'prefix_addr': prefix_addr,
               'mask_width': mask_width,
               'sw_if_index': sw_if_index,
               'traffic_type': traffic_type
               })
  
      def acl_add_replace(self, acl_index, r, tag='',
                          expected_retval=0):
          """Add/replace an ACL
          :param int acl_index: ACL index to replace, 2^32-1 to create new ACL.
          :param acl_rule r: ACL rules array.
          :param str tag: symbolic tag (description) for this ACL.
          :param int count: number of rules.
          """
          return self.api(self.papi.acl_add_replace,
                          {'acl_index': acl_index,
                           'r': r,
                           'count': len(r),
                           'tag': tag},
                          expected_retval=expected_retval)
  
      def acl_del(self, acl_index, expected_retval=0):
          """
  
          :param acl_index:
          :return:
          """
          return self.api(self.papi.acl_del,
                          {'acl_index': acl_index},
                          expected_retval=expected_retval)
  
      def acl_interface_set_acl_list(self, sw_if_index, n_input, acls,
                                     expected_retval=0):
          return self.api(self.papi.acl_interface_set_acl_list,
                          {'sw_if_index': sw_if_index,
                           'count': len(acls),
                           'n_input': n_input,
                           'acls': acls},
                          expected_retval=expected_retval)
  
      def acl_dump(self, acl_index, expected_retval=0):
          return self.api(self.papi.acl_dump,
                          {'acl_index': acl_index},
                          expected_retval=expected_retval)
  
      def macip_acl_add(self, rules, tag=""):
          """ Add MACIP acl
  
          :param rules: list of rules for given acl
          :param tag: acl tag
          """
  
          return self.api(self.papi.macip_acl_add,
                          {'r': rules,
                           'count': len(rules),
                           'tag': tag})
  
      def macip_acl_add_replace(self, rules, acl_index=0xFFFFFFFF, tag=""):
          """ Add MACIP acl
  
          :param rules: list of rules for given acl
          :param tag: acl tag
          """
  
          return self.api(self.papi.macip_acl_add_replace,
                          {'acl_index': acl_index,
                           'r': rules,
                           'count': len(rules),
                           'tag': tag})
  
      def macip_acl_del(self, acl_index):
          """
  
          :param acl_index:
          :return:
          """
          return self.api(self.papi.macip_acl_del,
                          {'acl_index': acl_index})
  
      def macip_acl_interface_add_del(self,
                                      sw_if_index,
                                      acl_index,
                                      is_add=1):
          """ Add MACIP acl to interface
  
          :param sw_if_index:
          :param acl_index:
          :param is_add:  (Default value = 1)
          """
  
          return self.api(self.papi.macip_acl_interface_add_del,
                          {'is_add': is_add,
                           'sw_if_index': sw_if_index,
                           'acl_index': acl_index})
  
      def macip_acl_interface_get(self):
          """ Return interface acls dump
          """
          return self.api(
              self.papi.macip_acl_interface_get, {})
  
      def macip_acl_dump(self, acl_index=4294967295):
          """ Return MACIP acl dump
          """
  
          return self.api(
              self.papi.macip_acl_dump, {'acl_index': acl_index})
  