+
+ @staticmethod
+ def vxlan_dump(node, interface):
+ """Get VxLAN data for the given interface.
+
+ :param node: VPP node to get interface data from.
+ :param interface: Numeric index or name string of a specific interface.
+ :type node: dict
+ :type interface: int or str
+ :return: Dictionary containing data for the given VxLAN.
+ :rtype dict
+ """
+
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ else:
+ sw_if_index = interface
+
+ with VatTerminal(node) as vat:
+ response = vat.vat_terminal_exec_cmd_from_template(
+ "vxlan_dump.vat", sw_if_index=sw_if_index)
+
+ for vxlan in response[0]:
+ if vxlan["sw_if_index"] == sw_if_index:
+ return vxlan
+ return {}
+
+ @staticmethod
+ def create_subinterface(node, interface, sub_id, outer_vlan_id,
+ inner_vlan_id, type_subif):
+ """Create sub-interface on node.
+
+ :param node: Node to add sub-interface.
+ :param interface: Interface name on which create sub-interface.
+ :param sub_id: ID of the sub-interface to be created.
+ :param outer_vlan_id: Outer VLAN ID.
+ :param inner_vlan_id: Inner VLAN ID.
+ :param type_subif: Type of sub-interface.
+ :type node: dict
+ :type interface: str or int
+ :type sub_id: int
+ :type outer_vlan_id: int
+ :type inner_vlan_id: int
+ :type type_subif: str
+ :return: name and index of created sub-interface
+ :rtype: tuple
+ """
+
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ else:
+ sw_if_index = interface
+
+ output = VatExecutor.cmd_from_template(node, "create_sub_interface.vat",
+ sw_if_index=sw_if_index,
+ sub_id=sub_id,
+ outer_vlan_id=outer_vlan_id,
+ inner_vlan_id=inner_vlan_id,
+ type_subif=type_subif)
+
+ if output[0]["retval"] == 0:
+ sw_subif_index = output[0]["sw_if_index"]
+ logger.trace('Created subinterface with index {}'
+ .format(sw_subif_index))
+ else:
+ raise RuntimeError('Unable to create subinterface on node {}'
+ .format(node['host']))
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd('exec show interfaces')
+
+ return '{}.{}'.format(interface, sub_id), sw_subif_index
+
+ @staticmethod
+ def vpp_create_loopback(node):
+ """Create loopback interface on VPP node.
+
+ :param node: Node to create loopback interface on.
+ :type node: dict
+ :return: SW interface index.
+ :rtype: int
+ """
+ out = VatExecutor.cmd_from_template(node, "create_loopback.vat")
+ if out[0].get('retval') == 0:
+ return out[0].get('sw_if_index')
+ else:
+ raise RuntimeError('Create loopback failed on node "{}"'
+ .format(node['host']))