1 # Copyright (c) 2016 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
14 """Interface util library"""
16 from time import time, sleep
18 from robot.api import logger
20 from resources.libraries.python.ssh import SSH
21 from resources.libraries.python.IPUtil import convert_ipv4_netmask_prefix
22 from resources.libraries.python.ssh import exec_cmd_no_error
23 from resources.libraries.python.topology import NodeType, Topology
24 from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
25 from resources.libraries.python.VatJsonUtil import VatJsonUtil
26 from resources.libraries.python.parsers.JsonParser import JsonParser
29 class InterfaceUtil(object):
30 """General utilities for managing interfaces"""
32 __UDEV_IF_RULES_FILE = '/etc/udev/rules.d/10-network.rules'
35 def set_interface_state(node, interface, state, if_type="key"):
36 """Set interface state on a node.
38 Function can be used for DUTs as well as for TGs.
40 :param node: Node where the interface is.
41 :param interface: Interface key or sw_if_index or name.
42 :param state: One of 'up' or 'down'.
43 :param if_type: Interface type
45 :type interface: str or int
52 if isinstance(interface, basestring):
53 sw_if_index = Topology.get_interface_sw_index(node, interface)
54 iface_name = Topology.get_interface_name(node, interface)
56 sw_if_index = interface
57 elif if_type == "name":
58 iface_key = Topology.get_interface_by_name(node, interface)
59 if iface_key is not None:
60 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
61 iface_name = interface
63 raise ValueError("if_type unknown: {}".format(if_type))
65 if node['type'] == NodeType.DUT:
71 raise ValueError('Unexpected interface state: {}'.format(state))
72 VatExecutor.cmd_from_template(node, 'set_if_state.vat',
73 sw_if_index=sw_if_index, state=state)
74 elif node['type'] == NodeType.TG or node['type'] == NodeType.VM:
75 cmd = 'ip link set {} {}'.format(iface_name, state)
76 exec_cmd_no_error(node, cmd, sudo=True)
78 raise Exception('Node {} has unknown NodeType: "{}"'.
79 format(node['host'], node['type']))
82 def set_interface_ethernet_mtu(node, iface_key, mtu):
83 """Set Ethernet MTU for specified interface.
85 Function can be used only for TGs.
87 :param node: Node where the interface is.
88 :param interface: Interface key from topology file.
89 :param mtu: MTU to set.
95 if node['type'] == NodeType.DUT:
96 ValueError('Node {}: Setting Ethernet MTU for interface '
97 'on DUT nodes not supported', node['host'])
98 elif node['type'] == NodeType.TG:
99 iface_name = Topology.get_interface_name(node, iface_key)
100 cmd = 'ip link set {} mtu {}'.format(iface_name, mtu)
101 exec_cmd_no_error(node, cmd, sudo=True)
103 raise ValueError('Node {} has unknown NodeType: "{}"'.
104 format(node['host'], node['type']))
107 def set_default_ethernet_mtu_on_all_interfaces_on_node(node):
108 """Set default Ethernet MTU on all interfaces on node.
110 Function can be used only for TGs.
112 :param node: Node where to set default MTU.
116 for ifc in node['interfaces']:
117 InterfaceUtil.set_interface_ethernet_mtu(node, ifc, 1500)
120 def vpp_node_interfaces_ready_wait(node, timeout=10):
121 """Wait until all interfaces with admin-up are in link-up state.
123 :param node: Node to wait on.
124 :param timeout: Waiting timeout in seconds (optional, default 10s).
127 :raises: RuntimeError if the timeout period value has elapsed.
133 out = InterfaceUtil.vpp_get_interface_data(node)
134 if time() - start > timeout:
135 for interface in out:
136 if interface.get('admin_up_down') == 1:
137 if interface.get('link_up_down') != 1:
138 logger.debug('{0} link-down'.format(
139 interface.get('interface_name')))
140 raise RuntimeError('timeout, not up {0}'.format(not_ready))
142 for interface in out:
143 if interface.get('admin_up_down') == 1:
144 if interface.get('link_up_down') != 1:
145 not_ready.append(interface.get('interface_name'))
149 logger.debug('Interfaces still in link-down state: {0}, '
150 'waiting...'.format(not_ready))
154 def vpp_nodes_interfaces_ready_wait(nodes, timeout=10):
155 """Wait until all interfaces with admin-up are in link-up state for
158 :param nodes: List of nodes to wait on.
159 :param timeout: Seconds to wait per node for all interfaces to come up.
162 :raises: RuntimeError if the timeout period value has elapsed.
165 InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout)
168 def all_vpp_interfaces_ready_wait(nodes, timeout=10):
169 """Wait until all interfaces with admin-up are in link-up state for all
170 nodes in the topology.
172 :param nodes: Nodes in the topology.
173 :param timeout: Seconds to wait per node for all interfaces to come up.
176 :raises: RuntimeError if the timeout period value has elapsed.
178 for node in nodes.values():
179 if node['type'] == NodeType.DUT:
180 InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout)
183 def vpp_get_interface_data(node, interface=None):
184 """Get all interface data from a VPP node. If a name or
185 sw_interface_index is provided, return only data for the matching
188 :param node: VPP node to get interface data from.
189 :param interface: Numeric index or name string of a specific interface.
191 :type interface: int or str
192 :return: List of dictionaries containing data for each interface, or a
193 single dictionary for the specified interface.
196 with VatTerminal(node) as vat:
197 response = vat.vat_terminal_exec_cmd_from_template(
198 "interface_dump.vat")
202 if interface is not None:
203 if isinstance(interface, basestring):
204 param = "interface_name"
205 elif isinstance(interface, int):
206 param = "sw_if_index"
210 if data_if[param] == interface:
216 def vpp_get_interface_mac(node, interface=None):
217 """Get MAC address for the given interface from actual interface dump.
219 :param node: VPP node to get interface data from.
220 :param interface: Numeric index or name string of a specific interface.
222 :type interface: int or str
223 :return: MAC address.
227 if_data = InterfaceUtil.vpp_get_interface_data(node, interface)
228 mac_data = [str(hex(item))[2:] for item in if_data['l2_address'][:6]]
230 for item in mac_data:
233 mac_data_nice.append(item)
234 mac = ":".join(mac_data_nice)
238 def vpp_get_interface_ip_addresses(node, interface, ip_version):
239 """Get list of IP addresses from an interface on a VPP node.
241 :param node: VPP node to get data from.
242 :param interface: Name of an interface on the VPP node.
243 :param ip_version: IP protocol version (ipv4 or ipv6).
246 :type ip_version: str
247 :return: List of dictionaries, each containing IP address, subnet
248 prefix length and also the subnet mask for ipv4 addresses.
249 Note: A single interface may have multiple IP addresses assigned.
252 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
254 with VatTerminal(node) as vat:
255 response = vat.vat_terminal_exec_cmd_from_template(
256 "ip_address_dump.vat", ip_version=ip_version,
257 sw_if_index=sw_if_index)
261 if ip_version == "ipv4":
263 item["netmask"] = convert_ipv4_netmask_prefix(
264 item["prefix_length"])
268 def tg_set_interface_driver(node, pci_addr, driver):
269 """Set interface driver on the TG node.
271 :param node: Node to set interface driver on (must be TG node).
272 :param pci_addr: PCI address of the interface.
273 :param driver: Driver name.
278 old_driver = InterfaceUtil.tg_get_interface_driver(node, pci_addr)
279 if old_driver == driver:
285 # Unbind from current driver
286 if old_driver is not None:
287 cmd = 'sh -c "echo {0} > /sys/bus/pci/drivers/{1}/unbind"'.format(
288 pci_addr, old_driver)
289 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
290 if int(ret_code) != 0:
291 raise Exception("'{0}' failed on '{1}'".format(cmd,
294 # Bind to the new driver
295 cmd = 'sh -c "echo {0} > /sys/bus/pci/drivers/{1}/bind"'.format(
297 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
298 if int(ret_code) != 0:
299 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
302 def tg_get_interface_driver(node, pci_addr):
303 """Get interface driver from the TG node.
305 :param node: Node to get interface driver on (must be TG node).
306 :param pci_addr: PCI address of the interface.
309 :return: Interface driver or None if not found.
313 # lspci -vmmks 0000:00:05.0
315 Class: Ethernet controller
317 Device: Virtio network device
318 SVendor: Red Hat, Inc
326 cmd = 'lspci -vmmks {0}'.format(pci_addr)
328 (ret_code, stdout, _) = ssh.exec_command(cmd)
329 if int(ret_code) != 0:
330 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
332 for line in stdout.splitlines():
335 (name, value) = line.split("\t", 1)
336 if name == 'Driver:':
342 def tg_set_interfaces_udev_rules(node):
343 """Set udev rules for interfaces.
345 Create udev rules file in /etc/udev/rules.d where are rules for each
346 interface used by TG node, based on MAC interface has specific name.
347 So after unbind and bind again to kernel driver interface has same
348 name as before. This must be called after TG has set name for each
349 port in topology dictionary.
351 SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="52:54:00:e1:8a:0f",
354 :param node: Node to set udev rules on (must be TG node).
360 cmd = 'rm -f {0}'.format(InterfaceUtil.__UDEV_IF_RULES_FILE)
361 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
362 if int(ret_code) != 0:
363 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
365 for interface in node['interfaces'].values():
366 rule = 'SUBSYSTEM==\\"net\\", ACTION==\\"add\\", ATTR{address}' + \
367 '==\\"' + interface['mac_address'] + '\\", NAME=\\"' + \
368 interface['name'] + '\\"'
369 cmd = 'sh -c "echo \'{0}\' >> {1}"'.format(
370 rule, InterfaceUtil.__UDEV_IF_RULES_FILE)
371 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
372 if int(ret_code) != 0:
373 raise Exception("'{0}' failed on '{1}'".format(cmd,
376 cmd = '/etc/init.d/udev restart'
377 ssh.exec_command_sudo(cmd)
380 def tg_set_interfaces_default_driver(node):
381 """Set interfaces default driver specified in topology yaml file.
383 :param node: Node to setup interfaces driver on (must be TG node).
386 for interface in node['interfaces'].values():
387 InterfaceUtil.tg_set_interface_driver(node,
388 interface['pci_address'],
392 def update_vpp_interface_data_on_node(node):
393 """Update vpp generated interface data for a given node in DICT__nodes.
395 Updates interface names, software if index numbers and any other details
396 generated specifically by vpp that are unknown before testcase run.
397 It does this by dumping interface list to JSON output from all
398 devices using vpp_api_test, and pairing known information from topology
399 (mac address/pci address of interface) to state from VPP.
401 :param node: Node selected from DICT__nodes.
404 vat_executor = VatExecutor()
405 vat_executor.execute_script_json_out("dump_interfaces.vat", node)
406 interface_dump_json = vat_executor.get_script_stdout()
407 VatJsonUtil.update_vpp_interface_data_from_json(node,
411 def update_tg_interface_data_on_node(node):
412 """Update interface name for TG/linux node in DICT__nodes.
414 :param node: Node selected from DICT__nodes.
418 # for dev in `ls /sys/class/net/`;
419 > do echo "\"`cat /sys/class/net/$dev/address`\": \"$dev\""; done
420 "52:54:00:9f:82:63": "eth0"
421 "52:54:00:77:ae:a9": "eth1"
422 "52:54:00:e1:8a:0f": "eth2"
423 "00:00:00:00:00:00": "lo"
425 .. todo:: parse lshw -json instead
427 # First setup interface driver specified in yaml file
428 InterfaceUtil.tg_set_interfaces_default_driver(node)
430 # Get interface names
434 cmd = ('for dev in `ls /sys/class/net/`; do echo "\\"`cat '
435 '/sys/class/net/$dev/address`\\": \\"$dev\\""; done;')
437 (ret_code, stdout, _) = ssh.exec_command(cmd)
438 if int(ret_code) != 0:
439 raise Exception('Get interface name and MAC failed')
440 tmp = "{" + stdout.rstrip().replace('\n', ',') + "}"
441 interfaces = JsonParser().parse_data(tmp)
442 for interface in node['interfaces'].values():
443 name = interfaces.get(interface['mac_address'])
446 interface['name'] = name
448 # Set udev rules for interfaces
449 InterfaceUtil.tg_set_interfaces_udev_rules(node)
452 def iface_update_numa_node(node):
453 """For all interfaces from topology file update numa node based on
454 information from the node.
456 :param node: Node from topology.
461 for if_key in Topology.get_node_interfaces(node):
462 if_pci = Topology.get_interface_pci_addr(node, if_key)
464 cmd = "cat /sys/bus/pci/devices/{}/numa_node".format(if_pci)
465 (ret, out, _) = ssh.exec_command(cmd)
467 Topology.set_interface_numa_node(node, if_key, int(out))
470 def update_all_interface_data_on_all_nodes(nodes, skip_tg=False,
472 """Update interface names on all nodes in DICT__nodes.
474 This method updates the topology dictionary by querying interface lists
475 of all nodes mentioned in the topology dictionary.
477 :param nodes: Nodes in the topology.
478 :param skip_tg: Skip TG node
479 :param numa_node: Retrieve numa_node location.
482 :type numa_node: bool
484 for node_data in nodes.values():
485 if node_data['type'] == NodeType.DUT:
486 InterfaceUtil.update_vpp_interface_data_on_node(node_data)
487 elif node_data['type'] == NodeType.TG and not skip_tg:
488 InterfaceUtil.update_tg_interface_data_on_node(node_data)
491 if node_data['type'] == NodeType.DUT:
492 InterfaceUtil.iface_update_numa_node(node_data)
493 elif node_data['type'] == NodeType.TG and not skip_tg:
494 InterfaceUtil.iface_update_numa_node(node_data)
497 def create_vlan_subinterface(node, interface, vlan):
498 """Create VLAN subinterface on node.
500 :param node: Node to add VLAN subinterface on.
501 :param interface: Interface name on which create VLAN subinterface.
502 :param vlan: VLAN ID of the subinterface to be created.
506 :return: Name and index of created subinterface.
509 iface_key = Topology.get_interface_by_name(node, interface)
510 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
512 output = VatExecutor.cmd_from_template(node, "create_vlan_subif.vat",
513 sw_if_index=sw_if_index,
515 if output[0]["retval"] == 0:
516 sw_subif_index = output[0]["sw_if_index"]
517 logger.trace('VLAN subinterface with sw_if_index {} and VLAN ID {} '
518 'created on node {}'.format(sw_subif_index,
521 raise RuntimeError('Unable to create VLAN subinterface on node {}'
522 .format(node['host']))
524 with VatTerminal(node, False) as vat:
525 vat.vat_terminal_exec_cmd('exec show interfaces')
527 return '{}.{}'.format(interface, vlan), sw_subif_index
530 def create_vxlan_interface(node, vni, source_ip, destination_ip):
531 """Create VXLAN interface and return sw if index of created interface.
533 Executes "vxlan_add_del_tunnel src {src} dst {dst} vni {vni}" VAT
536 :param node: Node where to create VXLAN interface.
537 :param vni: VXLAN Network Identifier.
538 :param source_ip: Source IP of a VXLAN Tunnel End Point.
539 :param destination_ip: Destination IP of a VXLAN Tunnel End Point.
543 :type destination_ip: str
544 :return: SW IF INDEX of created interface.
547 output = VatExecutor.cmd_from_template(node, "vxlan_create.vat",
553 if output["retval"] == 0:
554 return output["sw_if_index"]
556 raise RuntimeError('Unable to create VXLAN interface on node {0}'
560 def vxlan_dump(node, interface=None):
561 """Get VxLAN data for the given interface.
563 :param node: VPP node to get interface data from.
564 :param interface: Numeric index or name string of a specific interface.
565 If None, information about all VxLAN interfaces is returned.
567 :type interface: int or str
568 :return: Dictionary containing data for the given VxLAN interface or if
569 interface=None, the list of dictionaries with all VxLAN interfaces.
572 param = "sw_if_index"
573 if interface is None:
576 elif isinstance(interface, basestring):
577 sw_if_index = Topology.get_interface_sw_index(node, interface)
578 elif isinstance(interface, int):
579 sw_if_index = interface
581 raise Exception("Wrong interface format {0}".format(interface))
583 with VatTerminal(node) as vat:
584 response = vat.vat_terminal_exec_cmd_from_template(
585 "vxlan_dump.vat", param=param, sw_if_index=sw_if_index)
588 for vxlan in response[0]:
589 if vxlan["sw_if_index"] == sw_if_index:
595 def vhost_user_dump(node):
596 """Get vhost-user data for the given node.
598 :param node: VPP node to get interface data from.
600 :return: List of dictionaries with all vhost-user interfaces.
603 with VatTerminal(node) as vat:
604 response = vat.vat_terminal_exec_cmd_from_template(
605 "vhost_user_dump.vat")
610 def tap_dump(node, name=None):
611 """Get all TAP interface data from the given node, or data about
612 a specific TAP interface.
614 :param node: VPP node to get data from.
615 :param name: Optional name of a specific TAP interface.
618 :return: Dictionary of information about a specific TAP interface, or
619 a List of dictionaries containing all TAP data for the given node.
622 with VatTerminal(node) as vat:
623 response = vat.vat_terminal_exec_cmd_from_template(
628 for item in response[0]:
629 if name == item['dev_name']:
634 def create_subinterface(node, interface, sub_id, outer_vlan_id=None,
635 inner_vlan_id=None, type_subif=None):
636 """Create sub-interface on node. It is possible to set required
637 sub-interface type and VLAN tag(s).
639 :param node: Node to add sub-interface.
640 :param interface: Interface name on which create sub-interface.
641 :param sub_id: ID of the sub-interface to be created.
642 :param outer_vlan_id: Optional outer VLAN ID.
643 :param inner_vlan_id: Optional inner VLAN ID.
644 :param type_subif: Optional type of sub-interface. Values supported by
645 VPP: [no_tags] [one_tag] [two_tags] [dot1ad] [exact_match] [default_sub]
647 :type interface: str or int
649 :type outer_vlan_id: int
650 :type inner_vlan_id: int
651 :type type_subif: str
652 :return: Name and index of created sub-interface.
654 :raises RuntimeError: If it is not possible to create sub-interface.
657 outer_vlan_id = 'outer_vlan_id {0}'.format(outer_vlan_id)\
658 if outer_vlan_id else ''
660 inner_vlan_id = 'inner_vlan_id {0}'.format(inner_vlan_id)\
661 if inner_vlan_id else ''
663 if type_subif is None:
666 if isinstance(interface, basestring):
667 iface_key = Topology.get_interface_by_name(node, interface)
668 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
670 sw_if_index = interface
672 output = VatExecutor.cmd_from_template(node, "create_sub_interface.vat",
673 sw_if_index=sw_if_index,
675 outer_vlan_id=outer_vlan_id,
676 inner_vlan_id=inner_vlan_id,
677 type_subif=type_subif)
679 if output[0]["retval"] == 0:
680 sw_subif_index = output[0]["sw_if_index"]
681 logger.trace('Created subinterface with index {}'
682 .format(sw_subif_index))
684 raise RuntimeError('Unable to create sub-interface on node {}'
685 .format(node['host']))
687 with VatTerminal(node, json_param=False) as vat:
688 vat.vat_terminal_exec_cmd('exec show interfaces')
690 name = '{}.{}'.format(interface, sub_id)
691 return name, sw_subif_index
694 def create_gre_tunnel_interface(node, source_ip, destination_ip):
695 """Create GRE tunnel interface on node.
697 :param node: VPP node to add tunnel interface.
698 :param source_ip: Source of the GRE tunnel.
699 :param destination_ip: Destination of the GRE tunnel.
702 :type destination_ip: str
703 :return: Name and index of created GRE tunnel interface.
705 :raises RuntimeError: If unable to create GRE tunnel interface.
707 output = VatExecutor.cmd_from_template(node, "create_gre.vat",
712 if output["retval"] == 0:
713 sw_if_index = output["sw_if_index"]
715 vat_executor = VatExecutor()
716 vat_executor.execute_script_json_out("dump_interfaces.vat", node)
717 interface_dump_json = vat_executor.get_script_stdout()
718 name = VatJsonUtil.get_interface_name_from_json(
719 interface_dump_json, sw_if_index)
720 return name, sw_if_index
722 raise RuntimeError('Unable to create GRE tunnel on node {}.'
726 def vpp_create_loopback(node):
727 """Create loopback interface on VPP node.
729 :param node: Node to create loopback interface on.
731 :return: SW interface index.
734 out = VatExecutor.cmd_from_template(node, "create_loopback.vat")
735 if out[0].get('retval') == 0:
736 return out[0].get('sw_if_index')
738 raise RuntimeError('Create loopback failed on node "{}"'
739 .format(node['host']))
742 def vpp_enable_input_acl_interface(node, interface, ip_version,
744 """Enable input acl on interface.
746 :param node: VPP node to setup interface for input acl.
747 :param interface: Interface to setup input acl.
748 :param ip_version: Version of IP protocol.
749 :param table_index: Classify table index.
751 :type interface: str or int
752 :type ip_version: str
753 :type table_index: int
755 if isinstance(interface, basestring):
756 sw_if_index = Topology.get_interface_sw_index(node, interface)
758 sw_if_index = interface
760 with VatTerminal(node) as vat:
761 vat.vat_terminal_exec_cmd_from_template("input_acl_int.vat",
762 sw_if_index=sw_if_index,
763 ip_version=ip_version,
764 table_index=table_index)
767 def get_interface_classify_table(node, interface):
768 """Get name of classify table for the given interface.
770 :param node: VPP node to get data from.
771 :param interface: Name or sw_if_index of a specific interface.
773 :type interface: str or int
774 :return: Classify table name.
777 if isinstance(interface, basestring):
778 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
780 sw_if_index = interface
782 with VatTerminal(node) as vat:
783 data = vat.vat_terminal_exec_cmd_from_template(
784 "classify_interface_table.vat",
785 sw_if_index=sw_if_index
790 def get_sw_if_index(node, interface_name):
791 """Get sw_if_index for the given interface from actual interface dump.
793 :param node: VPP node to get interface data from.
794 :param interface_name: Name of the specific interface.
796 :type interface_name: str
797 :return: sw_if_index of the given interface.
801 with VatTerminal(node) as vat:
802 if_data = vat.vat_terminal_exec_cmd_from_template(
803 "interface_dump.vat")
804 for interface in if_data[0]:
805 if interface["interface_name"] == interface_name:
806 return interface["sw_if_index"]
811 def vxlan_gpe_dump(node, interface_name=None):
812 """Get VxLAN GPE data for the given interface.
814 :param node: VPP node to get interface data from.
815 :param interface_name: Name of the specific interface. If None,
816 information about all VxLAN GPE interfaces is returned.
818 :type interface_name: str
819 :return: Dictionary containing data for the given VxLAN GPE interface or
820 if interface=None, the list of dictionaries with all VxLAN GPE
825 with VatTerminal(node) as vat:
826 vxlan_gpe_data = vat.vat_terminal_exec_cmd_from_template(
827 "vxlan_gpe_dump.vat")
830 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface_name)
832 for vxlan_gpe in vxlan_gpe_data[0]:
833 if vxlan_gpe["sw_if_index"] == sw_if_index:
837 return vxlan_gpe_data[0]
840 def vpp_proxy_arp_interface_enable(node, interface):
841 """Enable proxy ARP on interface.
843 :param node: VPP node to enable proxy ARP on interface.
844 :param interface: Interface to enable proxy ARP.
846 :type interface: str or int
848 if isinstance(interface, basestring):
849 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
851 sw_if_index = interface
853 with VatTerminal(node) as vat:
854 vat.vat_terminal_exec_cmd_from_template(
855 "proxy_arp_intfc_enable.vat",
856 sw_if_index=sw_if_index)
859 def vpp_ip_source_check_setup(node, interface):
860 """Setup Reverse Path Forwarding source check on interface.
862 :param node: Node to setup RPF source check.
863 :param interface: Interface name to setup RPF source check.
867 with VatTerminal(node) as vat:
868 vat.vat_terminal_exec_cmd_from_template("ip_source_check.vat",
869 interface_name=interface)
872 def assign_interface_to_fib_table(node, interface, table_id, ipv6=False):
873 """Assign VPP interface to specific VRF/FIB table.
875 :param node: VPP node where the FIB and interface are located.
876 :param interface: Interface to be assigned to FIB.
877 :param table_id: VRF table ID.
878 :param ipv6: Assign to IPv6 table. Default False.
880 :type interface: str or int
884 if isinstance(interface, basestring):
885 sw_if_index = Topology.get_interface_sw_index(node, interface)
887 sw_if_index = interface
889 ipv6 = 'ipv6' if ipv6 else ''
891 with VatTerminal(node) as vat:
892 vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
893 sw_index=sw_if_index,
898 def set_linux_interface_mac(node, interface, mac, namespace=None):
899 """Set MAC address for interface in linux.
901 :param node: Node where to execute command.
902 :param interface: Interface in namespace.
903 :param mac: MAC to be assigned to interface.
904 :param namespace: Execute command in namespace. Optional
910 if namespace is not None:
911 cmd = 'ip netns exec {} ip link set {} address {}'.format(
912 namespace, interface, mac)
914 cmd = 'ip link set {} address {}'.format(interface, mac)
915 exec_cmd_no_error(node, cmd, sudo=True)