1 # Copyright (c) 2021 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 sleep
17 from enum import IntEnum
19 from ipaddress import ip_address
20 from robot.api import logger
22 from resources.libraries.python.Constants import Constants
23 from resources.libraries.python.DUTSetup import DUTSetup
24 from resources.libraries.python.IPAddress import IPAddress
25 from resources.libraries.python.L2Util import L2Util
26 from resources.libraries.python.PapiExecutor import PapiSocketExecutor
27 from resources.libraries.python.parsers.JsonParser import JsonParser
28 from resources.libraries.python.ssh import SSH, exec_cmd, exec_cmd_no_error
29 from resources.libraries.python.topology import NodeType, Topology
30 from resources.libraries.python.VPPUtil import VPPUtil
33 class InterfaceStatusFlags(IntEnum):
34 """Interface status flags."""
35 IF_STATUS_API_FLAG_ADMIN_UP = 1
36 IF_STATUS_API_FLAG_LINK_UP = 2
39 class MtuProto(IntEnum):
44 MTU_PROTO_API_MPLS = 3
48 class LinkDuplex(IntEnum):
50 LINK_DUPLEX_API_UNKNOWN = 0
51 LINK_DUPLEX_API_HALF = 1
52 LINK_DUPLEX_API_FULL = 2
55 class SubInterfaceFlags(IntEnum):
56 """Sub-interface flags."""
57 SUB_IF_API_FLAG_NO_TAGS = 1
58 SUB_IF_API_FLAG_ONE_TAG = 2
59 SUB_IF_API_FLAG_TWO_TAGS = 4
60 SUB_IF_API_FLAG_DOT1AD = 8
61 SUB_IF_API_FLAG_EXACT_MATCH = 16
62 SUB_IF_API_FLAG_DEFAULT = 32
63 SUB_IF_API_FLAG_OUTER_VLAN_ID_ANY = 64
64 SUB_IF_API_FLAG_INNER_VLAN_ID_ANY = 128
65 SUB_IF_API_FLAG_DOT1AH = 256
68 class RxMode(IntEnum):
70 RX_MODE_API_UNKNOWN = 0
71 RX_MODE_API_POLLING = 1
72 RX_MODE_API_INTERRUPT = 2
73 RX_MODE_API_ADAPTIVE = 3
74 RX_MODE_API_DEFAULT = 4
77 class IfType(IntEnum):
80 IF_API_TYPE_HARDWARE = 0
87 class LinkBondLoadBalanceAlgo(IntEnum):
88 """Link bonding load balance algorithm."""
89 BOND_API_LB_ALGO_L2 = 0
90 BOND_API_LB_ALGO_L34 = 1
91 BOND_API_LB_ALGO_L23 = 2
92 BOND_API_LB_ALGO_RR = 3
93 BOND_API_LB_ALGO_BC = 4
94 BOND_API_LB_ALGO_AB = 5
97 class LinkBondMode(IntEnum):
98 """Link bonding mode."""
99 BOND_API_MODE_ROUND_ROBIN = 1
100 BOND_API_MODE_ACTIVE_BACKUP = 2
101 BOND_API_MODE_XOR = 3
102 BOND_API_MODE_BROADCAST = 4
103 BOND_API_MODE_LACP = 5
106 class RdmaMode(IntEnum):
107 """RDMA interface mode."""
108 RDMA_API_MODE_AUTO = 0
109 RDMA_API_MODE_IBV = 1
114 """General utilities for managing interfaces"""
117 def pci_to_int(pci_str):
118 """Convert PCI address from string format (0000:18:0a.0) to
119 integer representation (169345024).
121 :param pci_str: PCI address in string representation.
123 :returns: Integer representation of PCI address.
126 pci = list(pci_str.split(u":")[0:2])
127 pci.extend(pci_str.split(u":")[2].split(u"."))
129 return (int(pci[0], 16) | int(pci[1], 16) << 16 |
130 int(pci[2], 16) << 24 | int(pci[3], 16) << 29)
133 def pci_to_eth(node, pci_str):
134 """Convert PCI address on DUT to Linux ethernet name.
136 :param node: DUT node
137 :param pci_str: PCI address.
140 :returns: Ethernet name.
143 cmd = f"basename /sys/bus/pci/devices/{pci_str}/net/*"
145 stdout, _ = exec_cmd_no_error(node, cmd)
147 raise RuntimeError(f"Cannot convert {pci_str} to ethernet name!")
149 return stdout.strip()
152 def get_interface_index(node, interface):
153 """Get interface sw_if_index from topology file.
155 :param node: Node where the interface is.
156 :param interface: Numeric index or name string of a specific interface.
158 :type interface: str or int
159 :returns: SW interface index.
163 sw_if_index = int(interface)
165 sw_if_index = Topology.get_interface_sw_index(node, interface)
166 if sw_if_index is None:
168 Topology.get_interface_sw_index_by_name(node, interface)
169 except TypeError as err:
170 raise TypeError(f"Wrong interface format {interface}") from err
175 def set_interface_state(node, interface, state, if_type=u"key"):
176 """Set interface state on a node.
178 Function can be used for DUTs as well as for TGs.
180 :param node: Node where the interface is.
181 :param interface: Interface key or sw_if_index or name.
182 :param state: One of 'up' or 'down'.
183 :param if_type: Interface type
185 :type interface: str or int
189 :raises ValueError: If the interface type is unknown.
190 :raises ValueError: If the state of interface is unexpected.
191 :raises ValueError: If the node has an unknown node type.
193 if if_type == u"key":
194 if isinstance(interface, str):
195 sw_if_index = Topology.get_interface_sw_index(node, interface)
196 iface_name = Topology.get_interface_name(node, interface)
198 sw_if_index = interface
199 elif if_type == u"name":
200 iface_key = Topology.get_interface_by_name(node, interface)
201 if iface_key is not None:
202 sw_if_index = Topology.get_interface_sw_index(node, iface_key)
203 iface_name = interface
205 raise ValueError(f"Unknown if_type: {if_type}")
207 if node[u"type"] == NodeType.DUT:
209 flags = InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value
210 elif state == u"down":
213 raise ValueError(f"Unexpected interface state: {state}")
214 cmd = u"sw_interface_set_flags"
215 err_msg = f"Failed to set interface state on host {node[u'host']}"
217 sw_if_index=int(sw_if_index),
220 with PapiSocketExecutor(node) as papi_exec:
221 papi_exec.add(cmd, **args).get_reply(err_msg)
222 elif node[u"type"] == NodeType.TG or node[u"type"] == NodeType.VM:
223 cmd = f"ip link set {iface_name} {state}"
224 exec_cmd_no_error(node, cmd, sudo=True)
227 f"Node {node[u'host']} has unknown NodeType: {node[u'type']}"
231 def set_interface_mtu(node, pf_pcis, mtu=9200):
232 """Set Ethernet MTU for specified interfaces.
234 :param node: Topology node.
235 :param pf_pcis: List of node's interfaces PCI addresses.
236 :param mtu: MTU to set. Default: 9200.
240 :raises RuntimeError: If failed to set MTU on interface.
242 for pf_pci in pf_pcis:
243 pf_eth = InterfaceUtil.pci_to_eth(node, pf_pci)
244 cmd = f"ip link set {pf_eth} mtu {mtu}"
245 exec_cmd_no_error(node, cmd, sudo=True)
248 def set_interface_flow_control(node, pf_pcis, rx=u"off", tx=u"off"):
249 """Set Ethernet flow control for specified interfaces.
251 :param node: Topology node.
252 :param pf_pcis: List of node's interfaces PCI addresses.
253 :param rx: RX flow. Default: off.
254 :param tx: TX flow. Default: off.
260 for pf_pci in pf_pcis:
261 pf_eth = InterfaceUtil.pci_to_eth(node, pf_pci)
262 cmd = f"ethtool -A {pf_eth} rx off tx off"
263 ret_code, _, _ = exec_cmd(node, cmd, sudo=True)
264 if int(ret_code) not in (0, 78):
265 raise RuntimeError("Failed to set MTU on {pf_eth}!")
269 def set_pci_parameter(node, pf_pcis, key, value):
270 """Set PCI parameter for specified interfaces.
272 :param node: Topology node.
273 :param pf_pcis: List of node's interfaces PCI addresses.
274 :param key: Key to set.
275 :param value: Value to set.
281 for pf_pci in pf_pcis:
282 cmd = f"setpci -s {pf_pci} {key}={value}"
283 exec_cmd_no_error(node, cmd, sudo=True)
286 def vpp_set_interface_mtu(node, interface, mtu=9200):
287 """Set Ethernet MTU on interface.
289 :param node: VPP node.
290 :param interface: Interface to setup MTU. Default: 9200.
291 :param mtu: Ethernet MTU size in Bytes.
293 :type interface: str or int
296 if isinstance(interface, str):
297 sw_if_index = Topology.get_interface_sw_index(node, interface)
299 sw_if_index = interface
301 cmd = u"hw_interface_set_mtu"
302 err_msg = f"Failed to set interface MTU on host {node[u'host']}"
304 sw_if_index=sw_if_index,
308 with PapiSocketExecutor(node) as papi_exec:
309 papi_exec.add(cmd, **args).get_reply(err_msg)
310 except AssertionError as err:
311 # TODO: Make failure tolerance optional.
312 logger.debug(f"Setting MTU failed. Expected?\n{err}")
315 def vpp_set_interfaces_mtu_on_node(node, mtu=9200):
316 """Set Ethernet MTU on all interfaces.
318 :param node: VPP node.
319 :param mtu: Ethernet MTU size in Bytes. Default: 9200.
323 for interface in node[u"interfaces"]:
324 InterfaceUtil.vpp_set_interface_mtu(node, interface, mtu)
327 def vpp_set_interfaces_mtu_on_all_duts(nodes, mtu=9200):
328 """Set Ethernet MTU on all interfaces on all DUTs.
330 :param nodes: VPP nodes.
331 :param mtu: Ethernet MTU size in Bytes. Default: 9200.
335 for node in nodes.values():
336 if node[u"type"] == NodeType.DUT:
337 InterfaceUtil.vpp_set_interfaces_mtu_on_node(node, mtu)
340 def vpp_node_interfaces_ready_wait(node, retries=15):
341 """Wait until all interfaces with admin-up are in link-up state.
343 :param node: Node to wait on.
344 :param retries: Number of retries to check interface status (optional,
349 :raises RuntimeError: If any interface is not in link-up state after
350 defined number of retries.
352 for _ in range(0, retries):
354 out = InterfaceUtil.vpp_get_interface_data(node)
355 for interface in out:
356 if interface.get(u"flags") == 1:
357 not_ready.append(interface.get(u"interface_name"))
360 f"Interfaces still not in link-up state:\n{not_ready}"
366 err = f"Timeout, interfaces not up:\n{not_ready}" \
367 if u"not_ready" in locals() else u"No check executed!"
368 raise RuntimeError(err)
371 def all_vpp_interfaces_ready_wait(nodes, retries=15):
372 """Wait until all interfaces with admin-up are in link-up state for all
373 nodes in the topology.
375 :param nodes: Nodes in the topology.
376 :param retries: Number of retries to check interface status (optional,
382 for node in nodes.values():
383 if node[u"type"] == NodeType.DUT:
384 InterfaceUtil.vpp_node_interfaces_ready_wait(node, retries)
387 def vpp_get_interface_data(node, interface=None):
388 """Get all interface data from a VPP node. If a name or
389 sw_interface_index is provided, return only data for the matching
392 :param node: VPP node to get interface data from.
393 :param interface: Numeric index or name string of a specific interface.
395 :type interface: int or str
396 :returns: List of dictionaries containing data for each interface, or a
397 single dictionary for the specified interface.
399 :raises TypeError: if the data type of interface is neither basestring
402 def process_if_dump(if_dump):
403 """Process interface dump.
405 :param if_dump: Interface dump.
407 :returns: Processed interface dump.
410 if_dump[u"l2_address"] = str(if_dump[u"l2_address"])
411 if_dump[u"b_dmac"] = str(if_dump[u"b_dmac"])
412 if_dump[u"b_smac"] = str(if_dump[u"b_smac"])
413 if_dump[u"flags"] = if_dump[u"flags"].value
414 if_dump[u"type"] = if_dump[u"type"].value
415 if_dump[u"link_duplex"] = if_dump[u"link_duplex"].value
416 if_dump[u"sub_if_flags"] = if_dump[u"sub_if_flags"].value \
417 if hasattr(if_dump[u"sub_if_flags"], u"value") \
418 else int(if_dump[u"sub_if_flags"])
422 if interface is not None:
423 if isinstance(interface, str):
424 param = u"interface_name"
425 elif isinstance(interface, int):
426 param = u"sw_if_index"
428 raise TypeError(f"Wrong interface format {interface}")
432 cmd = u"sw_interface_dump"
434 name_filter_valid=False,
437 err_msg = f"Failed to get interface dump on host {node[u'host']}"
439 with PapiSocketExecutor(node) as papi_exec:
440 details = papi_exec.add(cmd, **args).get_details(err_msg)
441 logger.debug(f"Received data:\n{details!r}")
443 data = list() if interface is None else dict()
445 if interface is None:
446 data.append(process_if_dump(dump))
447 elif str(dump.get(param)).rstrip(u"\x00") == str(interface):
448 data = process_if_dump(dump)
451 logger.debug(f"Interface data:\n{data}")
455 def vpp_get_interface_name(node, sw_if_index):
456 """Get interface name for the given SW interface index from actual
459 :param node: VPP node to get interface data from.
460 :param sw_if_index: SW interface index of the specific interface.
462 :type sw_if_index: int
463 :returns: Name of the given interface.
466 if_data = InterfaceUtil.vpp_get_interface_data(node, sw_if_index)
467 if if_data[u"sup_sw_if_index"] != if_data[u"sw_if_index"]:
468 if_data = InterfaceUtil.vpp_get_interface_data(
469 node, if_data[u"sup_sw_if_index"]
472 return if_data.get(u"interface_name")
475 def vpp_get_interface_sw_index(node, interface_name):
476 """Get interface name for the given SW interface index from actual
479 :param node: VPP node to get interface data from.
480 :param interface_name: Interface name.
482 :type interface_name: str
483 :returns: Name of the given interface.
486 if_data = InterfaceUtil.vpp_get_interface_data(node, interface_name)
488 return if_data.get(u"sw_if_index")
491 def vpp_get_interface_mac(node, interface):
492 """Get MAC address for the given interface from actual interface dump.
494 :param node: VPP node to get interface data from.
495 :param interface: Numeric index or name string of a specific interface.
497 :type interface: int or str
498 :returns: MAC address.
501 if_data = InterfaceUtil.vpp_get_interface_data(node, interface)
502 if if_data[u"sup_sw_if_index"] != if_data[u"sw_if_index"]:
503 if_data = InterfaceUtil.vpp_get_interface_data(
504 node, if_data[u"sup_sw_if_index"])
506 return if_data.get(u"l2_address")
509 def vpp_set_interface_mac(node, interface, mac):
510 """Set MAC address for the given interface.
512 :param node: VPP node to set interface MAC.
513 :param interface: Numeric index or name string of a specific interface.
514 :param mac: Required MAC address.
516 :type interface: int or str
519 cmd = u"sw_interface_set_mac_address"
521 sw_if_index=InterfaceUtil.get_interface_index(node, interface),
522 mac_address=L2Util.mac_to_bin(mac)
524 err_msg = f"Failed to set MAC address of interface {interface}" \
525 f"on host {node[u'host']}"
526 with PapiSocketExecutor(node) as papi_exec:
527 papi_exec.add(cmd, **args).get_reply(err_msg)
530 def tg_set_interface_driver(node, pci_addr, driver):
531 """Set interface driver on the TG node.
533 :param node: Node to set interface driver on (must be TG node).
534 :param pci_addr: PCI address of the interface.
535 :param driver: Driver name.
539 :raises RuntimeError: If unbinding from the current driver fails.
540 :raises RuntimeError: If binding to the new driver fails.
542 old_driver = InterfaceUtil.tg_get_interface_driver(node, pci_addr)
543 if old_driver == driver:
549 # Unbind from current driver
550 if old_driver is not None:
551 cmd = f"sh -c \"echo {pci_addr} > " \
552 f"/sys/bus/pci/drivers/{old_driver}/unbind\""
553 ret_code, _, _ = ssh.exec_command_sudo(cmd)
554 if int(ret_code) != 0:
555 raise RuntimeError(f"'{cmd}' failed on '{node[u'host']}'")
557 # Bind to the new driver
558 cmd = f"sh -c \"echo {pci_addr} > /sys/bus/pci/drivers/{driver}/bind\""
559 ret_code, _, _ = ssh.exec_command_sudo(cmd)
560 if int(ret_code) != 0:
561 raise RuntimeError(f"'{cmd}' failed on '{node[u'host']}'")
564 def tg_get_interface_driver(node, pci_addr):
565 """Get interface driver from the TG node.
567 :param node: Node to get interface driver on (must be TG node).
568 :param pci_addr: PCI address of the interface.
571 :returns: Interface driver or None if not found.
573 :raises RuntimeError: If PCI rescan or lspci command execution failed.
575 return DUTSetup.get_pci_dev_driver(node, pci_addr)
578 def tg_set_interfaces_default_driver(node):
579 """Set interfaces default driver specified in topology yaml file.
581 :param node: Node to setup interfaces driver on (must be TG node).
584 for interface in node[u"interfaces"].values():
585 InterfaceUtil.tg_set_interface_driver(
586 node, interface[u"pci_address"], interface[u"driver"]
590 def update_vpp_interface_data_on_node(node):
591 """Update vpp generated interface data for a given node in DICT__nodes.
593 Updates interface names, software if index numbers and any other details
594 generated specifically by vpp that are unknown before testcase run.
595 It does this by dumping interface list from all devices using python
596 api, and pairing known information from topology (mac address) to state
599 :param node: Node selected from DICT__nodes.
602 interface_list = InterfaceUtil.vpp_get_interface_data(node)
603 interface_dict = dict()
604 for ifc in interface_list:
605 interface_dict[ifc[u"l2_address"]] = ifc
607 for if_name, if_data in node[u"interfaces"].items():
608 ifc_dict = interface_dict.get(if_data[u"mac_address"])
609 if ifc_dict is not None:
610 if_data[u"name"] = ifc_dict[u"interface_name"]
611 if_data[u"vpp_sw_index"] = ifc_dict[u"sw_if_index"]
612 if_data[u"mtu"] = ifc_dict[u"mtu"][0]
614 f"Interface {if_name} found by MAC "
615 f"{if_data[u'mac_address']}"
619 f"Interface {if_name} not found by MAC "
620 f"{if_data[u'mac_address']}"
622 if_data[u"vpp_sw_index"] = None
625 def update_nic_interface_names(node):
626 """Update interface names based on nic type and PCI address.
628 This method updates interface names in the same format as VPP does.
630 :param node: Node dictionary.
633 for ifc in node[u"interfaces"].values():
634 if_pci = ifc[u"pci_address"].replace(u".", u":").split(u":")
635 loc = f"{int(if_pci[1], 16):x}/{int(if_pci[2], 16):x}/" \
636 f"{int(if_pci[3], 16):x}"
637 if ifc[u"model"] == u"Intel-XL710":
638 ifc[u"name"] = f"FortyGigabitEthernet{loc}"
639 elif ifc[u"model"] == u"Intel-X710":
640 ifc[u"name"] = f"TenGigabitEthernet{loc}"
641 elif ifc[u"model"] == u"Intel-X520-DA2":
642 ifc[u"name"] = f"TenGigabitEthernet{loc}"
643 elif ifc[u"model"] == u"Cisco-VIC-1385":
644 ifc[u"name"] = f"FortyGigabitEthernet{loc}"
645 elif ifc[u"model"] == u"Cisco-VIC-1227":
646 ifc[u"name"] = f"TenGigabitEthernet{loc}"
648 ifc[u"name"] = f"UnknownEthernet{loc}"
651 def update_nic_interface_names_on_all_duts(nodes):
652 """Update interface names based on nic type and PCI address on all DUTs.
654 This method updates interface names in the same format as VPP does.
656 :param nodes: Topology nodes.
659 for node in nodes.values():
660 if node[u"type"] == NodeType.DUT:
661 InterfaceUtil.update_nic_interface_names(node)
664 def update_tg_interface_data_on_node(node):
665 """Update interface name for TG/linux node in DICT__nodes.
668 # for dev in `ls /sys/class/net/`;
669 > do echo "\"`cat /sys/class/net/$dev/address`\": \"$dev\""; done
670 "52:54:00:9f:82:63": "eth0"
671 "52:54:00:77:ae:a9": "eth1"
672 "52:54:00:e1:8a:0f": "eth2"
673 "00:00:00:00:00:00": "lo"
675 :param node: Node selected from DICT__nodes.
677 :raises RuntimeError: If getting of interface name and MAC fails.
679 # First setup interface driver specified in yaml file
680 InterfaceUtil.tg_set_interfaces_default_driver(node)
682 # Get interface names
686 cmd = u'for dev in `ls /sys/class/net/`; do echo "\\"`cat ' \
687 u'/sys/class/net/$dev/address`\\": \\"$dev\\""; done;'
689 ret_code, stdout, _ = ssh.exec_command(cmd)
690 if int(ret_code) != 0:
691 raise RuntimeError(u"Get interface name and MAC failed")
692 tmp = u"{" + stdout.rstrip().replace(u"\n", u",") + u"}"
694 interfaces = JsonParser().parse_data(tmp)
695 for interface in node[u"interfaces"].values():
696 name = interfaces.get(interface[u"mac_address"])
699 interface[u"name"] = name
702 def iface_update_numa_node(node):
703 """For all interfaces from topology file update numa node based on
704 information from the node.
706 :param node: Node from topology.
709 :raises ValueError: If numa node ia less than 0.
710 :raises RuntimeError: If update of numa node failed.
713 for if_key in Topology.get_node_interfaces(node):
714 if_pci = Topology.get_interface_pci_addr(node, if_key)
716 cmd = f"cat /sys/bus/pci/devices/{if_pci}/numa_node"
718 ret, out, _ = ssh.exec_command(cmd)
721 numa_node = 0 if int(out) < 0 else int(out)
724 f"Reading numa location failed for: {if_pci}"
727 Topology.set_interface_numa_node(
728 node, if_key, numa_node
732 raise RuntimeError(f"Update numa node failed for: {if_pci}")
735 def update_all_interface_data_on_all_nodes(
736 nodes, skip_tg=False, skip_vpp=False):
737 """Update interface names on all nodes in DICT__nodes.
739 This method updates the topology dictionary by querying interface lists
740 of all nodes mentioned in the topology dictionary.
742 :param nodes: Nodes in the topology.
743 :param skip_tg: Skip TG node.
744 :param skip_vpp: Skip VPP node.
749 for node in nodes.values():
750 if node[u"type"] == NodeType.DUT and not skip_vpp:
751 InterfaceUtil.update_vpp_interface_data_on_node(node)
752 elif node[u"type"] == NodeType.TG and not skip_tg:
753 InterfaceUtil.update_tg_interface_data_on_node(node)
754 InterfaceUtil.iface_update_numa_node(node)
757 def create_vlan_subinterface(node, interface, vlan):
758 """Create VLAN sub-interface on node.
760 :param node: Node to add VLAN subinterface on.
761 :param interface: Interface name or index on which create VLAN
763 :param vlan: VLAN ID of the subinterface to be created.
765 :type interface: str on int
767 :returns: Name and index of created subinterface.
769 :raises RuntimeError: if it is unable to create VLAN subinterface on the
770 node or interface cannot be converted.
772 sw_if_index = InterfaceUtil.get_interface_index(node, interface)
774 cmd = u"create_vlan_subif"
776 sw_if_index=sw_if_index,
779 err_msg = f"Failed to create VLAN sub-interface on host {node[u'host']}"
781 with PapiSocketExecutor(node) as papi_exec:
782 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
784 if_key = Topology.add_new_port(node, u"vlan_subif")
785 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
786 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
787 Topology.update_interface_name(node, if_key, ifc_name)
789 return f"{interface}.{vlan}", sw_if_index
792 def create_vxlan_interface(node, vni, source_ip, destination_ip):
793 """Create VXLAN interface and return sw if index of created interface.
795 :param node: Node where to create VXLAN interface.
796 :param vni: VXLAN Network Identifier.
797 :param source_ip: Source IP of a VXLAN Tunnel End Point.
798 :param destination_ip: Destination IP of a VXLAN Tunnel End Point.
802 :type destination_ip: str
803 :returns: SW IF INDEX of created interface.
805 :raises RuntimeError: if it is unable to create VxLAN interface on the
808 cmd = u"vxlan_add_del_tunnel"
811 instance=Constants.BITWISE_NON_ZERO,
812 src_address=IPAddress.create_ip_address_object(
813 ip_address(source_ip)
815 dst_address=IPAddress.create_ip_address_object(
816 ip_address(destination_ip)
818 mcast_sw_if_index=Constants.BITWISE_NON_ZERO,
820 decap_next_index=Constants.BITWISE_NON_ZERO,
823 err_msg = f"Failed to create VXLAN tunnel interface " \
824 f"on host {node[u'host']}"
825 with PapiSocketExecutor(node) as papi_exec:
826 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
828 if_key = Topology.add_new_port(node, u"vxlan_tunnel")
829 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
830 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
831 Topology.update_interface_name(node, if_key, ifc_name)
836 def set_vxlan_bypass(node, interface=None):
837 """Add the 'ip4-vxlan-bypass' graph node for a given interface.
839 By adding the IPv4 vxlan-bypass graph node to an interface, the node
840 checks for and validate input vxlan packet and bypass ip4-lookup,
841 ip4-local, ip4-udp-lookup nodes to speedup vxlan packet forwarding.
842 This node will cause extra overhead to for non-vxlan packets which is
845 :param node: Node where to set VXLAN bypass.
846 :param interface: Numeric index or name string of a specific interface.
848 :type interface: int or str
849 :raises RuntimeError: if it failed to set VXLAN bypass on interface.
851 sw_if_index = InterfaceUtil.get_interface_index(node, interface)
853 cmd = u"sw_interface_set_vxlan_bypass"
856 sw_if_index=sw_if_index,
859 err_msg = f"Failed to set VXLAN bypass on interface " \
860 f"on host {node[u'host']}"
861 with PapiSocketExecutor(node) as papi_exec:
862 papi_exec.add(cmd, **args).get_replies(err_msg)
865 def vxlan_dump(node, interface=None):
866 """Get VxLAN data for the given interface.
868 :param node: VPP node to get interface data from.
869 :param interface: Numeric index or name string of a specific interface.
870 If None, information about all VxLAN interfaces is returned.
872 :type interface: int or str
873 :returns: Dictionary containing data for the given VxLAN interface or if
874 interface=None, the list of dictionaries with all VxLAN interfaces.
876 :raises TypeError: if the data type of interface is neither basestring
879 def process_vxlan_dump(vxlan_dump):
880 """Process vxlan dump.
882 :param vxlan_dump: Vxlan interface dump.
883 :type vxlan_dump: dict
884 :returns: Processed vxlan interface dump.
887 vxlan_dump[u"src_address"] = str(vxlan_dump[u"src_address"])
888 vxlan_dump[u"dst_address"] = str(vxlan_dump[u"dst_address"])
891 if interface is not None:
892 sw_if_index = InterfaceUtil.get_interface_index(node, interface)
894 sw_if_index = int(Constants.BITWISE_NON_ZERO)
896 cmd = u"vxlan_tunnel_dump"
898 sw_if_index=sw_if_index
900 err_msg = f"Failed to get VXLAN dump on host {node[u'host']}"
902 with PapiSocketExecutor(node) as papi_exec:
903 details = papi_exec.add(cmd, **args).get_details(err_msg)
905 data = list() if interface is None else dict()
907 if interface is None:
908 data.append(process_vxlan_dump(dump))
909 elif dump[u"sw_if_index"] == sw_if_index:
910 data = process_vxlan_dump(dump)
913 logger.debug(f"VXLAN data:\n{data}")
917 def create_subinterface(
918 node, interface, sub_id, outer_vlan_id=None, inner_vlan_id=None,
920 """Create sub-interface on node. It is possible to set required
921 sub-interface type and VLAN tag(s).
923 :param node: Node to add sub-interface.
924 :param interface: Interface name on which create sub-interface.
925 :param sub_id: ID of the sub-interface to be created.
926 :param outer_vlan_id: Optional outer VLAN ID.
927 :param inner_vlan_id: Optional inner VLAN ID.
928 :param type_subif: Optional type of sub-interface. Values supported by
929 VPP: [no_tags] [one_tag] [two_tags] [dot1ad] [exact_match]
932 :type interface: str or int
934 :type outer_vlan_id: int
935 :type inner_vlan_id: int
936 :type type_subif: str
937 :returns: Name and index of created sub-interface.
939 :raises RuntimeError: If it is not possible to create sub-interface.
941 subif_types = type_subif.split()
944 if u"no_tags" in subif_types:
945 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_NO_TAGS
946 if u"one_tag" in subif_types:
947 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_ONE_TAG
948 if u"two_tags" in subif_types:
949 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_TWO_TAGS
950 if u"dot1ad" in subif_types:
951 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_DOT1AD
952 if u"exact_match" in subif_types:
953 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_EXACT_MATCH
954 if u"default_sub" in subif_types:
955 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_DEFAULT
956 if type_subif == u"default_sub":
957 flags = flags | SubInterfaceFlags.SUB_IF_API_FLAG_INNER_VLAN_ID_ANY\
958 | SubInterfaceFlags.SUB_IF_API_FLAG_OUTER_VLAN_ID_ANY
960 cmd = u"create_subif"
962 sw_if_index=InterfaceUtil.get_interface_index(node, interface),
964 sub_if_flags=flags.value if hasattr(flags, u"value")
966 outer_vlan_id=int(outer_vlan_id) if outer_vlan_id else 0,
967 inner_vlan_id=int(inner_vlan_id) if inner_vlan_id else 0
969 err_msg = f"Failed to create sub-interface on host {node[u'host']}"
970 with PapiSocketExecutor(node) as papi_exec:
971 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
973 if_key = Topology.add_new_port(node, u"subinterface")
974 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
975 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
976 Topology.update_interface_name(node, if_key, ifc_name)
978 return f"{interface}.{sub_id}", sw_if_index
981 def create_gre_tunnel_interface(node, source_ip, destination_ip):
982 """Create GRE tunnel interface on node.
984 :param node: VPP node to add tunnel interface.
985 :param source_ip: Source of the GRE tunnel.
986 :param destination_ip: Destination of the GRE tunnel.
989 :type destination_ip: str
990 :returns: Name and index of created GRE tunnel interface.
992 :raises RuntimeError: If unable to create GRE tunnel interface.
994 cmd = u"gre_tunnel_add_del"
997 instance=Constants.BITWISE_NON_ZERO,
999 dst=str(destination_ip),
1007 err_msg = f"Failed to create GRE tunnel interface " \
1008 f"on host {node[u'host']}"
1009 with PapiSocketExecutor(node) as papi_exec:
1010 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
1012 if_key = Topology.add_new_port(node, u"gre_tunnel")
1013 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
1014 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
1015 Topology.update_interface_name(node, if_key, ifc_name)
1017 return ifc_name, sw_if_index
1020 def vpp_create_loopback(node, mac=None):
1021 """Create loopback interface on VPP node.
1023 :param node: Node to create loopback interface on.
1024 :param mac: Optional MAC address for loopback interface.
1027 :returns: SW interface index.
1029 :raises RuntimeError: If it is not possible to create loopback on the
1032 cmd = u"create_loopback_instance"
1034 mac_address=L2Util.mac_to_bin(mac) if mac else 0,
1038 err_msg = f"Failed to create loopback interface on host {node[u'host']}"
1039 with PapiSocketExecutor(node) as papi_exec:
1040 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
1042 if_key = Topology.add_new_port(node, u"loopback")
1043 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
1044 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
1045 Topology.update_interface_name(node, if_key, ifc_name)
1047 mac = InterfaceUtil.vpp_get_interface_mac(node, ifc_name)
1048 Topology.update_interface_mac_address(node, if_key, mac)
1053 def vpp_create_bond_interface(
1054 node, mode, load_balance=None, mac=None, gso=False):
1055 """Create bond interface on VPP node.
1057 :param node: DUT node from topology.
1058 :param mode: Link bonding mode.
1059 :param load_balance: Load balance (optional, valid for xor and lacp
1060 modes, otherwise ignored). Default: None.
1061 :param mac: MAC address to assign to the bond interface (optional).
1063 :param gso: Enable GSO support (optional). Default: False.
1066 :type load_balance: str
1069 :returns: Interface key (name) in topology.
1071 :raises RuntimeError: If it is not possible to create bond interface on
1074 cmd = u"bond_create2"
1076 id=int(Constants.BITWISE_NON_ZERO),
1077 use_custom_mac=bool(mac is not None),
1078 mac_address=L2Util.mac_to_bin(mac) if mac else None,
1081 f"BOND_API_MODE_{mode.replace(u'-', u'_').upper()}"
1083 lb=0 if load_balance is None else getattr(
1084 LinkBondLoadBalanceAlgo,
1085 f"BOND_API_LB_ALGO_{load_balance.upper()}"
1090 err_msg = f"Failed to create bond interface on host {node[u'host']}"
1091 with PapiSocketExecutor(node) as papi_exec:
1092 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
1094 InterfaceUtil.add_eth_interface(
1095 node, sw_if_index=sw_if_index, ifc_pfx=u"eth_bond"
1097 if_key = Topology.get_interface_by_sw_index(node, sw_if_index)
1102 def add_eth_interface(
1103 node, ifc_name=None, sw_if_index=None, ifc_pfx=None,
1105 """Add ethernet interface to current topology.
1107 :param node: DUT node from topology.
1108 :param ifc_name: Name of the interface.
1109 :param sw_if_index: SW interface index.
1110 :param ifc_pfx: Interface key prefix.
1111 :param host_if_key: Host interface key from topology file.
1114 :type sw_if_index: int
1116 :type host_if_key: str
1118 if_key = Topology.add_new_port(node, ifc_pfx)
1120 if ifc_name and sw_if_index is None:
1121 sw_if_index = InterfaceUtil.vpp_get_interface_sw_index(
1123 Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
1124 if sw_if_index and ifc_name is None:
1125 ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
1126 Topology.update_interface_name(node, if_key, ifc_name)
1127 ifc_mac = InterfaceUtil.vpp_get_interface_mac(node, sw_if_index)
1128 Topology.update_interface_mac_address(node, if_key, ifc_mac)
1129 if host_if_key is not None:
1130 Topology.set_interface_numa_node(
1131 node, if_key, Topology.get_interface_numa_node(
1135 Topology.update_interface_pci_address(
1136 node, if_key, Topology.get_interface_pci_addr(node, host_if_key)
1140 def vpp_create_avf_interface(
1141 node, if_key, num_rx_queues=None, rxq_size=0, txq_size=0):
1142 """Create AVF interface on VPP node.
1144 :param node: DUT node from topology.
1145 :param if_key: Interface key from topology file of interface
1146 to be bound to i40evf driver.
1147 :param num_rx_queues: Number of RX queues.
1148 :param rxq_size: Size of RXQ (0 = Default API; 512 = Default VPP).
1149 :param txq_size: Size of TXQ (0 = Default API; 512 = Default VPP).
1152 :type num_rx_queues: int
1155 :returns: AVF interface key (name) in topology.
1157 :raises RuntimeError: If it is not possible to create AVF interface on
1160 PapiSocketExecutor.run_cli_cmd(
1161 node, u"set logging class avf level debug"
1165 vf_pci_addr = Topology.get_interface_pci_addr(node, if_key)
1167 pci_addr=InterfaceUtil.pci_to_int(vf_pci_addr),
1169 rxq_num=int(num_rx_queues) if num_rx_queues else 0,
1173 err_msg = f"Failed to create AVF interface on host {node[u'host']}"
1174 with PapiSocketExecutor(node) as papi_exec:
1175 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
1177 InterfaceUtil.add_eth_interface(
1178 node, sw_if_index=sw_if_index, ifc_pfx=u"eth_avf",
1182 return Topology.get_interface_by_sw_index(node, sw_if_index)
1185 def vpp_create_rdma_interface(
1186 node, if_key, num_rx_queues=None, rxq_size=0, txq_size=0,
1188 """Create RDMA interface on VPP node.
1190 :param node: DUT node from topology.
1191 :param if_key: Physical interface key from topology file of interface
1192 to be bound to rdma-core driver.
1193 :param num_rx_queues: Number of RX queues.
1194 :param rxq_size: Size of RXQ (0 = Default API; 512 = Default VPP).
1195 :param txq_size: Size of TXQ (0 = Default API; 512 = Default VPP).
1196 :param mode: RDMA interface mode - auto/ibv/dv.
1199 :type num_rx_queues: int
1203 :returns: Interface key (name) in topology file.
1205 :raises RuntimeError: If it is not possible to create RDMA interface on
1208 PapiSocketExecutor.run_cli_cmd(
1209 node, u"set logging class rdma level debug"
1212 cmd = u"rdma_create_v2"
1213 pci_addr = Topology.get_interface_pci_addr(node, if_key)
1215 name=InterfaceUtil.pci_to_eth(node, pci_addr),
1216 host_if=InterfaceUtil.pci_to_eth(node, pci_addr),
1217 rxq_num=int(num_rx_queues) if num_rx_queues else 0,
1220 mode=getattr(RdmaMode, f"RDMA_API_MODE_{mode.upper()}").value,
1221 # TODO: Set True for non-jumbo packets.
1225 err_msg = f"Failed to create RDMA interface on host {node[u'host']}"
1226 with PapiSocketExecutor(node) as papi_exec:
1227 sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
1229 InterfaceUtil.vpp_set_interface_mac(
1230 node, sw_if_index, Topology.get_interface_mac(node, if_key)
1232 InterfaceUtil.add_eth_interface(
1233 node, sw_if_index=sw_if_index, ifc_pfx=u"eth_rdma",
1237 return Topology.get_interface_by_sw_index(node, sw_if_index)
1240 def vpp_add_bond_member(node, interface, bond_if):
1241 """Add member interface to bond interface on VPP node.
1243 :param node: DUT node from topology.
1244 :param interface: Physical interface key from topology file.
1245 :param bond_if: Load balance
1247 :type interface: str
1249 :raises RuntimeError: If it is not possible to add member to bond
1250 interface on the node.
1252 cmd = u"bond_add_member"
1254 sw_if_index=Topology.get_interface_sw_index(node, interface),
1255 bond_sw_if_index=Topology.get_interface_sw_index(node, bond_if),
1257 is_long_timeout=False
1259 err_msg = f"Failed to add member {interface} to bond interface " \
1260 f"{bond_if} on host {node[u'host']}"
1261 with PapiSocketExecutor(node) as papi_exec:
1262 papi_exec.add(cmd, **args).get_reply(err_msg)
1265 def vpp_show_bond_data_on_node(node, verbose=False):
1266 """Show (detailed) bond information on VPP node.
1268 :param node: DUT node from topology.
1269 :param verbose: If detailed information is required or not.
1273 cmd = u"sw_bond_interface_dump"
1274 err_msg = f"Failed to get bond interface dump on host {node[u'host']}"
1276 data = f"Bond data on node {node[u'host']}:\n"
1277 with PapiSocketExecutor(node) as papi_exec:
1278 details = papi_exec.add(cmd).get_details(err_msg)
1280 for bond in details:
1281 data += f"{bond[u'interface_name']}\n"
1282 data += u" mode: {m}\n".format(
1283 m=bond[u"mode"].name.replace(u"BOND_API_MODE_", u"").lower()
1285 data += u" load balance: {lb}\n".format(
1286 lb=bond[u"lb"].name.replace(u"BOND_API_LB_ALGO_", u"").lower()
1288 data += f" number of active members: {bond[u'active_members']}\n"
1290 member_data = InterfaceUtil.vpp_bond_member_dump(
1291 node, Topology.get_interface_by_sw_index(
1292 node, bond[u"sw_if_index"]
1295 for member in member_data:
1296 if not member[u"is_passive"]:
1297 data += f" {member[u'interface_name']}\n"
1298 data += f" number of members: {bond[u'members']}\n"
1300 for member in member_data:
1301 data += f" {member[u'interface_name']}\n"
1302 data += f" interface id: {bond[u'id']}\n"
1303 data += f" sw_if_index: {bond[u'sw_if_index']}\n"
1307 def vpp_bond_member_dump(node, interface):
1308 """Get bond interface slave(s) data on VPP node.
1310 :param node: DUT node from topology.
1311 :param interface: Physical interface key from topology file.
1313 :type interface: str
1314 :returns: Bond slave interface data.
1317 cmd = u"sw_member_interface_dump"
1319 sw_if_index=Topology.get_interface_sw_index(node, interface)
1321 err_msg = f"Failed to get slave dump on host {node[u'host']}"
1323 with PapiSocketExecutor(node) as papi_exec:
1324 details = papi_exec.add(cmd, **args).get_details(err_msg)
1326 logger.debug(f"Member data:\n{details}")
1330 def vpp_show_bond_data_on_all_nodes(nodes, verbose=False):
1331 """Show (detailed) bond information on all VPP nodes in DICT__nodes.
1333 :param nodes: Nodes in the topology.
1334 :param verbose: If detailed information is required or not.
1338 for node_data in nodes.values():
1339 if node_data[u"type"] == NodeType.DUT:
1340 InterfaceUtil.vpp_show_bond_data_on_node(node_data, verbose)
1343 def vpp_enable_input_acl_interface(
1344 node, interface, ip_version, table_index):
1345 """Enable input acl on interface.
1347 :param node: VPP node to setup interface for input acl.
1348 :param interface: Interface to setup input acl.
1349 :param ip_version: Version of IP protocol.
1350 :param table_index: Classify table index.
1352 :type interface: str or int
1353 :type ip_version: str
1354 :type table_index: int
1356 cmd = u"input_acl_set_interface"
1358 sw_if_index=InterfaceUtil.get_interface_index(node, interface),
1359 ip4_table_index=table_index if ip_version == u"ip4"
1360 else Constants.BITWISE_NON_ZERO,
1361 ip6_table_index=table_index if ip_version == u"ip6"
1362 else Constants.BITWISE_NON_ZERO,
1363 l2_table_index=table_index if ip_version == u"l2"
1364 else Constants.BITWISE_NON_ZERO,
1366 err_msg = f"Failed to enable input acl on interface {interface}"
1367 with PapiSocketExecutor(node) as papi_exec:
1368 papi_exec.add(cmd, **args).get_reply(err_msg)
1371 def get_interface_classify_table(node, interface):
1372 """Get name of classify table for the given interface.
1374 TODO: Move to Classify.py.
1376 :param node: VPP node to get data from.
1377 :param interface: Name or sw_if_index of a specific interface.
1379 :type interface: str or int
1380 :returns: Classify table name.
1383 if isinstance(interface, str):
1384 sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
1386 sw_if_index = interface
1388 cmd = u"classify_table_by_interface"
1390 sw_if_index=sw_if_index
1392 err_msg = f"Failed to get classify table name by interface {interface}"
1393 with PapiSocketExecutor(node) as papi_exec:
1394 reply = papi_exec.add(cmd, **args).get_reply(err_msg)
1399 def get_sw_if_index(node, interface_name):
1400 """Get sw_if_index for the given interface from actual interface dump.
1402 FIXME: Delete and redirect callers to vpp_get_interface_sw_index.
1404 :param node: VPP node to get interface data from.
1405 :param interface_name: Name of the specific interface.
1407 :type interface_name: str
1408 :returns: sw_if_index of the given interface.
1411 interface_data = InterfaceUtil.vpp_get_interface_data(
1412 node, interface=interface_name
1414 return interface_data.get(u"sw_if_index")
1417 def vxlan_gpe_dump(node, interface_name=None):
1418 """Get VxLAN GPE data for the given interface.
1420 :param node: VPP node to get interface data from.
1421 :param interface_name: Name of the specific interface. If None,
1422 information about all VxLAN GPE interfaces is returned.
1424 :type interface_name: str
1425 :returns: Dictionary containing data for the given VxLAN GPE interface
1426 or if interface=None, the list of dictionaries with all VxLAN GPE
1428 :rtype: dict or list
1430 def process_vxlan_gpe_dump(vxlan_dump):
1431 """Process vxlan_gpe dump.
1433 :param vxlan_dump: Vxlan_gpe nterface dump.
1434 :type vxlan_dump: dict
1435 :returns: Processed vxlan_gpe interface dump.
1438 if vxlan_dump[u"is_ipv6"]:
1439 vxlan_dump[u"local"] = ip_address(vxlan_dump[u"local"])
1440 vxlan_dump[u"remote"] = ip_address(vxlan_dump[u"remote"])
1442 vxlan_dump[u"local"] = ip_address(vxlan_dump[u"local"][0:4])
1443 vxlan_dump[u"remote"] = ip_address(vxlan_dump[u"remote"][0:4])
1446 if interface_name is not None:
1447 sw_if_index = InterfaceUtil.get_interface_index(
1448 node, interface_name
1451 sw_if_index = int(Constants.BITWISE_NON_ZERO)
1453 cmd = u"vxlan_gpe_tunnel_dump"
1455 sw_if_index=sw_if_index
1457 err_msg = f"Failed to get VXLAN-GPE dump on host {node[u'host']}"
1458 with PapiSocketExecutor(node) as papi_exec:
1459 details = papi_exec.add(cmd, **args).get_details(err_msg)
1461 data = list() if interface_name is None else dict()
1462 for dump in details:
1463 if interface_name is None:
1464 data.append(process_vxlan_gpe_dump(dump))
1465 elif dump[u"sw_if_index"] == sw_if_index:
1466 data = process_vxlan_gpe_dump(dump)
1469 logger.debug(f"VXLAN-GPE data:\n{data}")
1473 def assign_interface_to_fib_table(node, interface, table_id, ipv6=False):
1474 """Assign VPP interface to specific VRF/FIB table.
1476 :param node: VPP node where the FIB and interface are located.
1477 :param interface: Interface to be assigned to FIB.
1478 :param table_id: VRF table ID.
1479 :param ipv6: Assign to IPv6 table. Default False.
1481 :type interface: str or int
1485 cmd = u"sw_interface_set_table"
1487 sw_if_index=InterfaceUtil.get_interface_index(node, interface),
1489 vrf_id=int(table_id)
1491 err_msg = f"Failed to assign interface {interface} to FIB table"
1492 with PapiSocketExecutor(node) as papi_exec:
1493 papi_exec.add(cmd, **args).get_reply(err_msg)
1496 def set_linux_interface_mac(
1497 node, interface, mac, namespace=None, vf_id=None):
1498 """Set MAC address for interface in linux.
1500 :param node: Node where to execute command.
1501 :param interface: Interface in namespace.
1502 :param mac: MAC to be assigned to interface.
1503 :param namespace: Execute command in namespace. Optional
1504 :param vf_id: Virtual Function id. Optional
1506 :type interface: str
1508 :type namespace: str
1511 mac_str = f"vf {vf_id} mac {mac}" if vf_id is not None \
1512 else f"address {mac}"
1513 ns_str = f"ip netns exec {namespace}" if namespace else u""
1515 cmd = f"{ns_str} ip link set {interface} {mac_str}"
1516 exec_cmd_no_error(node, cmd, sudo=True)
1519 def set_linux_interface_trust_on(
1520 node, interface, namespace=None, vf_id=None):
1521 """Set trust on (promisc) for interface in linux.
1523 :param node: Node where to execute command.
1524 :param interface: Interface in namespace.
1525 :param namespace: Execute command in namespace. Optional
1526 :param vf_id: Virtual Function id. Optional
1528 :type interface: str
1529 :type namespace: str
1532 trust_str = f"vf {vf_id} trust on" if vf_id is not None else u"trust on"
1533 ns_str = f"ip netns exec {namespace}" if namespace else u""
1535 cmd = f"{ns_str} ip link set dev {interface} {trust_str}"
1536 exec_cmd_no_error(node, cmd, sudo=True)
1539 def set_linux_interface_spoof_off(
1540 node, interface, namespace=None, vf_id=None):
1541 """Set spoof off for interface in linux.
1543 :param node: Node where to execute command.
1544 :param interface: Interface in namespace.
1545 :param namespace: Execute command in namespace. Optional
1546 :param vf_id: Virtual Function id. Optional
1548 :type interface: str
1549 :type namespace: str
1552 spoof_str = f"vf {vf_id} spoof off" if vf_id is not None \
1554 ns_str = f"ip netns exec {namespace}" if namespace else u""
1556 cmd = f"{ns_str} ip link set dev {interface} {spoof_str}"
1557 exec_cmd_no_error(node, cmd, sudo=True)
1560 def set_linux_interface_state(
1561 node, interface, namespace=None, state=u"up"):
1562 """Set operational state for interface in linux.
1564 :param node: Node where to execute command.
1565 :param interface: Interface in namespace.
1566 :param namespace: Execute command in namespace. Optional
1567 :param state: Up/Down.
1569 :type interface: str
1570 :type namespace: str
1573 ns_str = f"ip netns exec {namespace}" if namespace else u""
1575 cmd = f"{ns_str} ip link set dev {interface} {state}"
1576 exec_cmd_no_error(node, cmd, sudo=True)
1579 def init_avf_interface(node, ifc_key, numvfs=1, osi_layer=u"L2"):
1580 """Init PCI device by creating VIFs and bind them to vfio-pci for AVF
1581 driver testing on DUT.
1583 :param node: DUT node.
1584 :param ifc_key: Interface key from topology file.
1585 :param numvfs: Number of VIFs to initialize, 0 - disable the VIFs.
1586 :param osi_layer: OSI Layer type to initialize TG with.
1587 Default value "L2" sets linux interface spoof off.
1591 :type osi_layer: str
1592 :returns: Virtual Function topology interface keys.
1594 :raises RuntimeError: If a reason preventing initialization is found.
1596 # Read PCI address and driver.
1597 pf_pci_addr = Topology.get_interface_pci_addr(node, ifc_key)
1598 pf_mac_addr = Topology.get_interface_mac(node, ifc_key).split(":")
1599 uio_driver = Topology.get_uio_driver(node)
1600 kernel_driver = Topology.get_interface_driver(node, ifc_key)
1601 if kernel_driver not in (u"ice", u"iavf", u"i40e", u"i40evf"):
1603 f"AVF needs ice or i40e compatible driver, not {kernel_driver}"
1604 f"at node {node[u'host']} ifc {ifc_key}"
1606 current_driver = DUTSetup.get_pci_dev_driver(
1607 node, pf_pci_addr.replace(u":", r"\:"))
1609 VPPUtil.stop_vpp_service(node)
1610 if current_driver != kernel_driver:
1611 # PCI device must be re-bound to kernel driver before creating VFs.
1612 DUTSetup.verify_kernel_module(node, kernel_driver, force_load=True)
1613 # Stop VPP to prevent deadlock.
1614 # Unbind from current driver.
1615 DUTSetup.pci_driver_unbind(node, pf_pci_addr)
1616 # Bind to kernel driver.
1617 DUTSetup.pci_driver_bind(node, pf_pci_addr, kernel_driver)
1619 # Initialize PCI VFs.
1620 DUTSetup.set_sriov_numvfs(node, pf_pci_addr, numvfs)
1623 # Set MAC address and bind each virtual function to uio driver.
1624 for vf_id in range(numvfs):
1625 vf_mac_addr = u":".join(
1626 [pf_mac_addr[0], pf_mac_addr[2], pf_mac_addr[3], pf_mac_addr[4],
1627 pf_mac_addr[5], f"{vf_id:02x}"
1631 pf_dev = f"`basename /sys/bus/pci/devices/{pf_pci_addr}/net/*`"
1632 InterfaceUtil.set_linux_interface_trust_on(
1633 node, pf_dev, vf_id=vf_id
1635 if osi_layer == u"L2":
1636 InterfaceUtil.set_linux_interface_spoof_off(
1637 node, pf_dev, vf_id=vf_id
1639 InterfaceUtil.set_linux_interface_mac(
1640 node, pf_dev, vf_mac_addr, vf_id=vf_id
1642 InterfaceUtil.set_linux_interface_state(
1643 node, pf_dev, state=u"up"
1646 DUTSetup.pci_vf_driver_unbind(node, pf_pci_addr, vf_id)
1647 DUTSetup.pci_vf_driver_bind(node, pf_pci_addr, vf_id, uio_driver)
1649 # Add newly created ports into topology file
1650 vf_ifc_name = f"{ifc_key}_vif"
1651 vf_pci_addr = DUTSetup.get_virtfn_pci_addr(node, pf_pci_addr, vf_id)
1652 vf_ifc_key = Topology.add_new_port(node, vf_ifc_name)
1653 Topology.update_interface_name(
1654 node, vf_ifc_key, vf_ifc_name+str(vf_id+1)
1656 Topology.update_interface_mac_address(node, vf_ifc_key, vf_mac_addr)
1657 Topology.update_interface_pci_address(node, vf_ifc_key, vf_pci_addr)
1658 Topology.set_interface_numa_node(
1659 node, vf_ifc_key, Topology.get_interface_numa_node(
1663 vf_ifc_keys.append(vf_ifc_key)
1668 def vpp_sw_interface_rx_placement_dump(node):
1669 """Dump VPP interface RX placement on node.
1671 :param node: Node to run command on.
1673 :returns: Thread mapping information as a list of dictionaries.
1676 cmd = u"sw_interface_rx_placement_dump"
1677 err_msg = f"Failed to run '{cmd}' PAPI command on host {node[u'host']}!"
1678 with PapiSocketExecutor(node) as papi_exec:
1679 for ifc in node[u"interfaces"].values():
1680 if ifc[u"vpp_sw_index"] is not None:
1681 papi_exec.add(cmd, sw_if_index=ifc[u"vpp_sw_index"])
1682 details = papi_exec.get_details(err_msg)
1683 return sorted(details, key=lambda k: k[u"sw_if_index"])
1686 def vpp_sw_interface_set_rx_placement(
1687 node, sw_if_index, queue_id, worker_id):
1688 """Set interface RX placement to worker on node.
1690 :param node: Node to run command on.
1691 :param sw_if_index: VPP SW interface index.
1692 :param queue_id: VPP interface queue ID.
1693 :param worker_id: VPP worker ID (indexing from 0).
1695 :type sw_if_index: int
1697 :type worker_id: int
1698 :raises RuntimeError: If failed to run command on host or if no API
1701 cmd = u"sw_interface_set_rx_placement"
1702 err_msg = f"Failed to set interface RX placement to worker " \
1703 f"on host {node[u'host']}!"
1705 sw_if_index=sw_if_index,
1707 worker_id=worker_id,
1710 with PapiSocketExecutor(node) as papi_exec:
1711 papi_exec.add(cmd, **args).get_reply(err_msg)
1714 def vpp_round_robin_rx_placement(node, prefix):
1715 """Set Round Robin interface RX placement on all worker threads
1718 :param node: Topology nodes.
1719 :param prefix: Interface name prefix.
1724 worker_cnt = len(VPPUtil.vpp_show_threads(node)) - 1
1727 for placement in InterfaceUtil.vpp_sw_interface_rx_placement_dump(node):
1728 for interface in node[u"interfaces"].values():
1729 if placement[u"sw_if_index"] == interface[u"vpp_sw_index"] \
1730 and prefix in interface[u"name"]:
1731 InterfaceUtil.vpp_sw_interface_set_rx_placement(
1732 node, placement[u"sw_if_index"], placement[u"queue_id"],
1733 worker_id % worker_cnt
1738 def vpp_round_robin_rx_placement_on_all_duts(nodes, prefix):
1739 """Set Round Robin interface RX placement on all worker threads
1742 :param nodes: Topology nodes.
1743 :param prefix: Interface name prefix.
1747 for node in nodes.values():
1748 if node[u"type"] == NodeType.DUT:
1749 InterfaceUtil.vpp_round_robin_rx_placement(node, prefix)