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"])
265 # VAT returns addresses with reversed byte order (VPP-132)
266 item["ip"] = ".".join(item["ip"].split(".")[::-1])
270 def tg_set_interface_driver(node, pci_addr, driver):
271 """Set interface driver on the TG node.
273 :param node: Node to set interface driver on (must be TG node).
274 :param pci_addr: PCI address of the interface.
275 :param driver: Driver name.
280 old_driver = InterfaceUtil.tg_get_interface_driver(node, pci_addr)
281 if old_driver == driver:
287 # Unbind from current driver
288 if old_driver is not None:
289 cmd = 'sh -c "echo {0} > /sys/bus/pci/drivers/{1}/unbind"'.format(
290 pci_addr, old_driver)
291 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
292 if int(ret_code) != 0:
293 raise Exception("'{0}' failed on '{1}'".format(cmd,
296 # Bind to the new driver
297 cmd = 'sh -c "echo {0} > /sys/bus/pci/drivers/{1}/bind"'.format(
299 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
300 if int(ret_code) != 0:
301 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
304 def tg_get_interface_driver(node, pci_addr):
305 """Get interface driver from the TG node.
307 :param node: Node to get interface driver on (must be TG node).
308 :param pci_addr: PCI address of the interface.
311 :return: Interface driver or None if not found.
315 # lspci -vmmks 0000:00:05.0
317 Class: Ethernet controller
319 Device: Virtio network device
320 SVendor: Red Hat, Inc
328 cmd = 'lspci -vmmks {0}'.format(pci_addr)
330 (ret_code, stdout, _) = ssh.exec_command(cmd)
331 if int(ret_code) != 0:
332 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
334 for line in stdout.splitlines():
337 (name, value) = line.split("\t", 1)
338 if name == 'Driver:':
344 def tg_set_interfaces_udev_rules(node):
345 """Set udev rules for interfaces.
347 Create udev rules file in /etc/udev/rules.d where are rules for each
348 interface used by TG node, based on MAC interface has specific name.
349 So after unbind and bind again to kernel driver interface has same
350 name as before. This must be called after TG has set name for each
351 port in topology dictionary.
353 SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="52:54:00:e1:8a:0f",
356 :param node: Node to set udev rules on (must be TG node).
362 cmd = 'rm -f {0}'.format(InterfaceUtil.__UDEV_IF_RULES_FILE)
363 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
364 if int(ret_code) != 0:
365 raise Exception("'{0}' failed on '{1}'".format(cmd, node['host']))
367 for interface in node['interfaces'].values():
368 rule = 'SUBSYSTEM==\\"net\\", ACTION==\\"add\\", ATTR{address}' + \
369 '==\\"' + interface['mac_address'] + '\\", NAME=\\"' + \
370 interface['name'] + '\\"'
371 cmd = 'sh -c "echo \'{0}\' >> {1}"'.format(
372 rule, InterfaceUtil.__UDEV_IF_RULES_FILE)
373 (ret_code, _, _) = ssh.exec_command_sudo(cmd)
374 if int(ret_code) != 0:
375 raise Exception("'{0}' failed on '{1}'".format(cmd,
378 cmd = '/etc/init.d/udev restart'
379 ssh.exec_command_sudo(cmd)
382 def tg_set_interfaces_default_driver(node):
383 """Set interfaces default driver specified in topology yaml file.
385 :param node: Node to setup interfaces driver on (must be TG node).
388 for interface in node['interfaces'].values():
389 InterfaceUtil.tg_set_interface_driver(node,
390 interface['pci_address'],
394 def update_vpp_interface_data_on_node(node):
395 """Update vpp generated interface data for a given node in DICT__nodes.
397 Updates interface names, software if index numbers and any other details
398 generated specifically by vpp that are unknown before testcase run.
399 It does this by dumping interface list to JSON output from all
400 devices using vpp_api_test, and pairing known information from topology
401 (mac address/pci address of interface) to state from VPP.
403 :param node: Node selected from DICT__nodes.
406 vat_executor = VatExecutor()
407 vat_executor.execute_script_json_out("dump_interfaces.vat", node)
408 interface_dump_json = vat_executor.get_script_stdout()
409 VatJsonUtil.update_vpp_interface_data_from_json(node,
413 def update_tg_interface_data_on_node(node):
414 """Update interface name for TG/linux node in DICT__nodes.
416 :param node: Node selected from DICT__nodes.
420 # for dev in `ls /sys/class/net/`;
421 > do echo "\"`cat /sys/class/net/$dev/address`\": \"$dev\""; done
422 "52:54:00:9f:82:63": "eth0"
423 "52:54:00:77:ae:a9": "eth1"
424 "52:54:00:e1:8a:0f": "eth2"
425 "00:00:00:00:00:00": "lo"
427 .. todo:: parse lshw -json instead
429 # First setup interface driver specified in yaml file
430 InterfaceUtil.tg_set_interfaces_default_driver(node)
432 # Get interface names
436 cmd = ('for dev in `ls /sys/class/net/`; do echo "\\"`cat '
437 '/sys/class/net/$dev/address`\\": \\"$dev\\""; done;')
439 (ret_code, stdout, _) = ssh.exec_command(cmd)
440 if int(ret_code) != 0:
441 raise Exception('Get interface name and MAC failed')
442 tmp = "{" + stdout.rstrip().replace('\n', ',') + "}"
443 interfaces = JsonParser().parse_data(tmp)
444 for interface in node['interfaces'].values():
445 name = interfaces.get(interface['mac_address'])
448 interface['name'] = name
450 # Set udev rules for interfaces
451 InterfaceUtil.tg_set_interfaces_udev_rules(node)
454 def iface_update_numa_node(node):
455 """For all interfaces from topology file update numa node based on
456 information from the node.
458 :param node: Node from topology.
463 for if_key in Topology.get_node_interfaces(node):
464 if_pci = Topology.get_interface_pci_addr(node, if_key)
466 cmd = "cat /sys/bus/pci/devices/{}/numa_node".format(if_pci)
467 (ret, out, _) = ssh.exec_command(cmd)
469 Topology.set_interface_numa_node(node, if_key, int(out))
472 def update_all_interface_data_on_all_nodes(nodes, skip_tg=False,
474 """Update interface names on all nodes in DICT__nodes.
476 This method updates the topology dictionary by querying interface lists
477 of all nodes mentioned in the topology dictionary.
479 :param nodes: Nodes in the topology.
480 :param skip_tg: Skip TG node
481 :param numa_node: Retrieve numa_node location.
484 :type numa_node: bool
486 for node_data in nodes.values():
487 if node_data['type'] == NodeType.DUT:
488 InterfaceUtil.update_vpp_interface_data_on_node(node_data)
489 elif node_data['type'] == NodeType.TG and not skip_tg:
490 InterfaceUtil.update_tg_interface_data_on_node(node_data)
493 if node_data['type'] == NodeType.DUT:
494 InterfaceUtil.iface_update_numa_node(node_data)
495 elif node_data['type'] == NodeType.TG and not skip_tg:
496 InterfaceUtil.iface_update_numa_node(node_data)
499 def create_vlan_subinterface(node, interface, vlan):
500 """Create VLAN subinterface on node.
502 :param node: Node to add VLAN subinterface on.
503 :param interface: Interface name on which create VLAN subinterface.
504 :param vlan: VLAN ID of the subinterface to be created.
508 :return: Name and index of created subinterface.
511 iface_key = Topology.get_interface_by_name(node, interface)
512 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
514 output = VatExecutor.cmd_from_template(node, "create_vlan_subif.vat",
515 sw_if_index=sw_if_index,
517 if output[0]["retval"] == 0:
518 sw_subif_index = output[0]["sw_if_index"]
519 logger.trace('VLAN subinterface with sw_if_index {} and VLAN ID {} '
520 'created on node {}'.format(sw_subif_index,
523 raise RuntimeError('Unable to create VLAN subinterface on node {}'
524 .format(node['host']))
526 with VatTerminal(node, False) as vat:
527 vat.vat_terminal_exec_cmd('exec show interfaces')
529 return '{}.{}'.format(interface, vlan), sw_subif_index
532 def create_vxlan_interface(node, vni, source_ip, destination_ip):
533 """Create VXLAN interface and return sw if index of created interface.
535 Executes "vxlan_add_del_tunnel src {src} dst {dst} vni {vni}" VAT
538 :param node: Node where to create VXLAN interface.
539 :param vni: VXLAN Network Identifier.
540 :param source_ip: Source IP of a VXLAN Tunnel End Point.
541 :param destination_ip: Destination IP of a VXLAN Tunnel End Point.
545 :type destination_ip: str
546 :return: SW IF INDEX of created interface.
549 output = VatExecutor.cmd_from_template(node, "vxlan_create.vat",
555 if output["retval"] == 0:
556 return output["sw_if_index"]
558 raise RuntimeError('Unable to create VXLAN interface on node {0}'
562 def vxlan_dump(node, interface=None):
563 """Get VxLAN data for the given interface.
565 :param node: VPP node to get interface data from.
566 :param interface: Numeric index or name string of a specific interface.
567 If None, information about all VxLAN interfaces is returned.
569 :type interface: int or str
570 :return: Dictionary containing data for the given VxLAN interface or if
571 interface=None, the list of dictionaries with all VxLAN interfaces.
574 param = "sw_if_index"
575 if interface is None:
578 elif isinstance(interface, basestring):
579 sw_if_index = Topology.get_interface_sw_index(node, interface)
580 elif isinstance(interface, int):
581 sw_if_index = interface
583 raise Exception("Wrong interface format {0}".format(interface))
585 with VatTerminal(node) as vat:
586 response = vat.vat_terminal_exec_cmd_from_template(
587 "vxlan_dump.vat", param=param, sw_if_index=sw_if_index)
590 for vxlan in response[0]:
591 if vxlan["sw_if_index"] == sw_if_index:
597 def vhost_user_dump(node):
598 """Get vhost-user data for the given node.
600 :param node: VPP node to get interface data from.
602 :return: List of dictionaries with all vhost-user interfaces.
605 with VatTerminal(node) as vat:
606 response = vat.vat_terminal_exec_cmd_from_template(
607 "vhost_user_dump.vat")
612 def tap_dump(node, name=None):
613 """Get all TAP interface data from the given node, or data about
614 a specific TAP interface.
616 :param node: VPP node to get data from.
617 :param name: Optional name of a specific TAP interface.
620 :return: Dictionary of information about a specific TAP interface, or
621 a List of dictionaries containing all TAP data for the given node.
624 with VatTerminal(node) as vat:
625 response = vat.vat_terminal_exec_cmd_from_template(
630 for item in response[0]:
631 if name == item['dev_name']:
636 def create_subinterface(node, interface, sub_id, outer_vlan_id=None,
637 inner_vlan_id=None, type_subif=None):
638 """Create sub-interface on node. It is possible to set required
639 sub-interface type and VLAN tag(s).
641 :param node: Node to add sub-interface.
642 :param interface: Interface name on which create sub-interface.
643 :param sub_id: ID of the sub-interface to be created.
644 :param outer_vlan_id: Optional outer VLAN ID.
645 :param inner_vlan_id: Optional inner VLAN ID.
646 :param type_subif: Optional type of sub-interface. Values supported by
647 VPP: [no_tags] [one_tag] [two_tags] [dot1ad] [exact_match] [default_sub]
649 :type interface: str or int
651 :type outer_vlan_id: int
652 :type inner_vlan_id: int
653 :type type_subif: str
654 :return: Name and index of created sub-interface.
656 :raises RuntimeError: If it is not possible to create sub-interface.
659 outer_vlan_id = 'outer_vlan_id {0}'.format(outer_vlan_id)\
660 if outer_vlan_id else ''
662 inner_vlan_id = 'inner_vlan_id {0}'.format(inner_vlan_id)\
663 if inner_vlan_id else ''
665 if type_subif is None:
668 if isinstance(interface, basestring):
669 iface_key = Topology.get_interface_by_name(node, interface)
670 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
672 sw_if_index = interface
674 output = VatExecutor.cmd_from_template(node, "create_sub_interface.vat",
675 sw_if_index=sw_if_index,
677 outer_vlan_id=outer_vlan_id,
678 inner_vlan_id=inner_vlan_id,
679 type_subif=type_subif)
681 if output[0]["retval"] == 0:
682 sw_subif_index = output[0]["sw_if_index"]
683 logger.trace('Created subinterface with index {}'
684 .format(sw_subif_index))
686 raise RuntimeError('Unable to create sub-interface on node {}'
687 .format(node['host']))
689 with VatTerminal(node, json_param=False) as vat:
690 vat.vat_terminal_exec_cmd('exec show interfaces')
692 name = '{}.{}'.format(interface, sub_id)
693 return name, sw_subif_index
696 def create_gre_tunnel_interface(node, source_ip, destination_ip):
697 """Create GRE tunnel interface on node.
699 :param node: VPP node to add tunnel interface.
700 :param source_ip: Source of the GRE tunnel.
701 :param destination_ip: Destination of the GRE tunnel.
704 :type destination_ip: str
705 :return: Name and index of created GRE tunnel interface.
707 :raises RuntimeError: If unable to create GRE tunnel interface.
709 output = VatExecutor.cmd_from_template(node, "create_gre.vat",
714 if output["retval"] == 0:
715 sw_if_index = output["sw_if_index"]
717 vat_executor = VatExecutor()
718 vat_executor.execute_script_json_out("dump_interfaces.vat", node)
719 interface_dump_json = vat_executor.get_script_stdout()
720 name = VatJsonUtil.get_interface_name_from_json(
721 interface_dump_json, sw_if_index)
722 return name, sw_if_index
724 raise RuntimeError('Unable to create GRE tunnel on node {}.'
728 def vpp_create_loopback(node):
729 """Create loopback interface on VPP node.
731 :param node: Node to create loopback interface on.
733 :return: SW interface index.
736 out = VatExecutor.cmd_from_template(node, "create_loopback.vat")
737 if out[0].get('retval') == 0:
738 return out[0].get('sw_if_index')
740 raise RuntimeError('Create loopback failed on node "{}"'
741 .format(node['host']))
744 def vpp_enable_input_acl_interface(node, interface, ip_version,
746 """Enable input acl on interface.
748 :param node: VPP node to setup interface for input acl.
749 :param interface: Interface to setup input acl.
750 :param ip_version: Version of IP protocol.
751 :param table_index: Classify table index.
753 :type interface: str or int
754 :type ip_version: str
755 :type table_index: int
757 if isinstance(interface, basestring):
758 sw_if_index = Topology.get_interface_sw_index(node, interface)
760 sw_if_index = interface
762 with VatTerminal(node) as vat:
763 vat.vat_terminal_exec_cmd_from_template("input_acl_int.vat",
764 sw_if_index=sw_if_index,
765 ip_version=ip_version,
766 table_index=table_index)
769 def get_interface_classify_table(node, interface):
770 """Get name of classify table for the given interface.
772 :param node: VPP node to get data from.
773 :param interface: Name or sw_if_index of a specific interface.
775 :type interface: str or int
776 :return: Classify table name.
779 if isinstance(interface, basestring):
780 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
782 sw_if_index = interface
784 with VatTerminal(node) as vat:
785 data = vat.vat_terminal_exec_cmd_from_template(
786 "classify_interface_table.vat",
787 sw_if_index=sw_if_index
792 def get_sw_if_index(node, interface_name):
793 """Get sw_if_index for the given interface from actual interface dump.
795 :param node: VPP node to get interface data from.
796 :param interface_name: Name of the specific interface.
798 :type interface_name: str
799 :return: sw_if_index of the given interface.
803 with VatTerminal(node) as vat:
804 if_data = vat.vat_terminal_exec_cmd_from_template(
805 "interface_dump.vat")
806 for interface in if_data[0]:
807 if interface["interface_name"] == interface_name:
808 return interface["sw_if_index"]
813 def vxlan_gpe_dump(node, interface_name=None):
814 """Get VxLAN GPE data for the given interface.
816 :param node: VPP node to get interface data from.
817 :param interface_name: Name of the specific interface. If None,
818 information about all VxLAN GPE interfaces is returned.
820 :type interface_name: str
821 :return: Dictionary containing data for the given VxLAN GPE interface or
822 if interface=None, the list of dictionaries with all VxLAN GPE
827 with VatTerminal(node) as vat:
828 vxlan_gpe_data = vat.vat_terminal_exec_cmd_from_template(
829 "vxlan_gpe_dump.vat")
832 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface_name)
834 for vxlan_gpe in vxlan_gpe_data[0]:
835 if vxlan_gpe["sw_if_index"] == sw_if_index:
839 return vxlan_gpe_data[0]
842 def vpp_proxy_arp_interface_enable(node, interface):
843 """Enable proxy ARP on interface.
845 :param node: VPP node to enable proxy ARP on interface.
846 :param interface: Interface to enable proxy ARP.
848 :type interface: str or int
850 if isinstance(interface, basestring):
851 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
853 sw_if_index = interface
855 with VatTerminal(node) as vat:
856 vat.vat_terminal_exec_cmd_from_template(
857 "proxy_arp_intfc_enable.vat",
858 sw_if_index=sw_if_index)
861 def vpp_ip_source_check_setup(node, interface):
862 """Setup Reverse Path Forwarding source check on interface.
864 :param node: Node to setup RPF source check.
865 :param interface: Interface name to setup RPF source check.
869 with VatTerminal(node) as vat:
870 vat.vat_terminal_exec_cmd_from_template("ip_source_check.vat",
871 interface_name=interface)
874 def assign_interface_to_fib_table(node, interface, table_id, ipv6=False):
875 """Assign VPP interface to specific VRF/FIB table.
877 :param node: VPP node where the FIB and interface are located.
878 :param interface: Interface to be assigned to FIB.
879 :param table_id: VRF table ID.
880 :param ipv6: Assign to IPv6 table. Default False.
882 :type interface: str or int
886 if isinstance(interface, basestring):
887 sw_if_index = Topology.get_interface_sw_index(node, interface)
889 sw_if_index = interface
891 ipv6 = 'ipv6' if ipv6 else ''
893 with VatTerminal(node) as vat:
894 vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
895 sw_index=sw_if_index,
900 def set_linux_interface_mac(node, interface, mac, namespace=None):
901 """Set MAC address for interface in linux.
903 :param node: Node where to execute command.
904 :param interface: Interface in namespace.
905 :param mac: MAC to be assigned to interface.
906 :param namespace: Execute command in namespace. Optional
912 if namespace is not None:
913 cmd = 'ip netns exec {} ip link set {} address {}'.format(
914 namespace, interface, mac)
916 cmd = 'ip link set {} address {}'.format(interface, mac)
917 exec_cmd_no_error(node, cmd, sudo=True)