1 # Copyright (c) 2019 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 """Defines nodes and topology structure."""
18 from collections import Counter
20 from yaml import safe_load
22 from robot.api import logger
23 from robot.libraries.BuiltIn import BuiltIn, RobotNotRunningError
26 u"DICT__nodes", u"Topology", u"NodeType", u"SocketType", u"NodeSubTypeTG"
30 def load_topo_from_yaml():
31 """Load topology from file defined in "${TOPOLOGY_PATH}" variable.
33 :returns: Nodes from loaded topology.
36 topo_path = BuiltIn().get_variable_value(u"${TOPOLOGY_PATH}")
37 except RobotNotRunningError:
40 with open(topo_path) as work_file:
41 return safe_load(work_file.read())[u"nodes"]
45 """Defines node types used in topology dictionaries."""
46 # Device Under Test (this node has VPP running on it)
48 # Traffic Generator (this node has traffic generator on it)
49 # pylint: disable=invalid-name
51 # Virtual Machine (this node running on DUT node)
52 # pylint: disable=invalid-name
57 """Defines node sub-type TG - traffic generator."""
58 # T-Rex traffic generator
67 """Defines socket types used in topology dictionaries."""
70 # VPP PAPI Stats (legacy option until stats are migrated to Socket PAPI)
74 DICT__nodes = load_topo_from_yaml()
78 """Topology data manipulation and extraction methods.
80 Defines methods used for manipulation and extraction of data from
83 "Active topology" contains initially data from the topology file and can be
84 extended with additional data from the DUTs like internal interface indexes
85 or names. Additional data which can be filled to the active topology are
87 - additional internal representation (index, name, ...)
88 - operational data (dynamic ports)
90 To access the port data it is recommended to use a port key because the key
91 does not rely on the data retrieved from nodes, this allows to call most of
92 the methods without having filled active topology with internal nodes data.
95 def add_node_item(node, value, path):
96 """Add item to topology node.
98 :param node: Topology node.
99 :param value: Value to insert.
100 :param path: Path where to insert item.
106 node[path[0]] = value
108 if path[0] not in node:
109 node[path[0]] = dict()
110 elif isinstance(node[path[0]], str):
111 node[path[0]] = dict() if node[path[0]] == u"" \
112 else {node[path[0]]: u""}
113 Topology.add_node_item(node[path[0]], value, path[1:])
116 def add_new_port(node, ptype):
117 """Add new port to the node to active topology.
119 :param node: Node to add new port on.
120 :param ptype: Port type, used as key prefix.
123 :returns: Port key or None
124 :rtype: string or None
128 for i in range(1, max_ports):
129 if node[u"interfaces"].get(str(ptype) + str(i)) is None:
130 iface = str(ptype) + str(i)
131 node[u"interfaces"][iface] = dict()
136 def remove_port(node, iface_key):
137 """Remove required port from active topology.
139 :param node: Node to remove port on.
140 :param: iface_key: Topology key of the interface.
146 node[u"interfaces"].pop(iface_key)
151 def remove_all_ports(node, ptype):
152 """Remove all ports with ptype as prefix.
154 :param node: Node to remove ports on.
155 :param: ptype: Port type, used as key prefix.
160 for if_key in list(node[u"interfaces"]):
161 if if_key.startswith(str(ptype)):
162 node[u"interfaces"].pop(if_key)
165 def remove_all_added_ports_on_all_duts_from_topology(nodes):
166 """Remove all added ports on all DUT nodes in the topology.
168 :param nodes: Nodes in the topology.
173 u"subinterface", u"vlan_subif", u"memif", u"tap", u"vhost",
174 u"loopback", u"gre_tunnel", u"vxlan_tunnel", u"eth_bond",
175 u"eth_avf", u"eth_rdma"
178 for node_data in nodes.values():
179 if node_data[u"type"] == NodeType.DUT:
180 for ptype in port_types:
181 Topology.remove_all_ports(node_data, ptype)
184 def remove_all_vif_ports(node):
185 """Remove all Virtual Interfaces on DUT node.
187 :param node: Node to remove VIF ports on.
191 reg_ex = re.compile(r"port\d+_vif\d+")
192 for if_key in list(node[u"interfaces"]):
193 if re.match(reg_ex, if_key):
194 node[u"interfaces"].pop(if_key)
197 def remove_all_added_vif_ports_on_all_duts_from_topology(nodes):
198 """Remove all added Virtual Interfaces on all DUT nodes in
201 :param nodes: Nodes in the topology.
205 for node_data in nodes.values():
206 if node_data[u"type"] == NodeType.DUT:
207 Topology.remove_all_vif_ports(node_data)
210 def update_interface_sw_if_index(node, iface_key, sw_if_index):
211 """Update sw_if_index on the interface from the node.
213 :param node: Node to update sw_if_index on.
214 :param iface_key: Topology key of the interface.
215 :param sw_if_index: Internal index to store.
218 :type sw_if_index: int
220 node[u"interfaces"][iface_key][u"vpp_sw_index"] = int(sw_if_index)
223 def update_interface_name(node, iface_key, name):
224 """Update name on the interface from the node.
226 :param node: Node to update name on.
227 :param iface_key: Topology key of the interface.
228 :param name: Interface name to store.
233 node[u"interfaces"][iface_key][u"name"] = str(name)
236 def update_interface_mac_address(node, iface_key, mac_address):
237 """Update mac_address on the interface from the node.
239 :param node: Node to update MAC on.
240 :param iface_key: Topology key of the interface.
241 :param mac_address: MAC address.
244 :type mac_address: str
246 node[u"interfaces"][iface_key][u"mac_address"] = str(mac_address)
249 def update_interface_pci_address(node, iface_key, pci_address):
250 """Update pci_address on the interface from the node.
252 :param node: Node to update PCI on.
253 :param iface_key: Topology key of the interface.
254 :param pci_address: PCI address.
257 :type pci_address: str
259 node[u"interfaces"][iface_key][u"pci_address"] = str(pci_address)
262 def update_interface_vlan(node, iface_key, vlan):
263 """Update VLAN on the interface from the node.
265 :param node: Node to update VLAN on.
266 :param iface_key: Topology key of the interface.
267 :param vlan: VLAN ID.
272 node[u"interfaces"][iface_key][u"vlan"] = int(vlan)
275 def update_interface_vhost_socket(node, iface_key, vhost_socket):
276 """Update vhost socket name on the interface from the node.
278 :param node: Node to update socket name on.
279 :param iface_key: Topology key of the interface.
280 :param vhost_socket: Path to named socket on node.
283 :type vhost_socket: str
285 node[u"interfaces"][iface_key][u"vhost_socket"] = str(vhost_socket)
288 def update_interface_memif_socket(node, iface_key, memif_socket):
289 """Update memif socket name on the interface from the node.
291 :param node: Node to update socket name on.
292 :param iface_key: Topology key of the interface.
293 :param memif_socket: Path to named socket on node.
296 :type memif_socket: str
298 node[u"interfaces"][iface_key][u"memif_socket"] = str(memif_socket)
301 def update_interface_memif_id(node, iface_key, memif_id):
302 """Update memif ID on the interface from the node.
304 :param node: Node to update memif ID on.
305 :param iface_key: Topology key of the interface.
306 :param memif_id: Memif interface ID.
311 node[u"interfaces"][iface_key][u"memif_id"] = str(memif_id)
314 def update_interface_memif_role(node, iface_key, memif_role):
315 """Update memif role on the interface from the node.
317 :param node: Node to update memif role on.
318 :param iface_key: Topology key of the interface.
319 :param memif_role: Memif role.
322 :type memif_role: str
324 node[u"interfaces"][iface_key][u"memif_role"] = str(memif_role)
327 def update_interface_tap_dev_name(node, iface_key, dev_name):
328 """Update device name on the tap interface from the node.
330 :param node: Node to update tap device name on.
331 :param iface_key: Topology key of the interface.
332 :param dev_name: Device name of the tap interface.
338 node[u"interfaces"][iface_key][u"dev_name"] = str(dev_name)
341 def get_node_by_hostname(nodes, hostname):
342 """Get node from nodes of the topology by hostname.
344 :param nodes: Nodes of the test topology.
345 :param hostname: Host name.
348 :returns: Node dictionary or None if not found.
350 for node in nodes.values():
351 if node[u"host"] == hostname:
357 def get_links(nodes):
358 """Get list of links(networks) in the topology.
360 :param nodes: Nodes of the test topology.
362 :returns: Links in the topology.
367 for node in nodes.values():
368 for interface in node[u"interfaces"].values():
369 link = interface.get(u"link")
371 if link not in links:
377 def _get_interface_by_key_value(node, key, value):
378 """Return node interface key from topology file
379 according to key and value.
381 :param node: The node dictionary.
382 :param key: Key by which to select the interface.
383 :param value: Value that should be found using the key.
387 :returns: Interface key from topology file
390 interfaces = node[u"interfaces"]
392 for if_key, if_val in interfaces.items():
393 k_val = if_val.get(key)
394 if k_val is not None:
401 def get_interface_by_name(node, iface_name):
402 """Return interface key based on name from DUT/TG.
404 This method returns interface key based on interface name
405 retrieved from the DUT, or TG.
407 :param node: The node topology dictionary.
408 :param iface_name: Interface name (string form).
410 :type iface_name: string
411 :returns: Interface key.
414 return Topology._get_interface_by_key_value(node, u"name", iface_name)
417 def get_interface_by_link_name(node, link_name):
418 """Return interface key of link on node.
420 This method returns the interface name associated with a given link
423 :param node: The node topology dictionary.
424 :param link_name: Name of the link that a interface is connected to.
426 :type link_name: string
427 :returns: Interface key of the interface connected to the given link.
430 return Topology._get_interface_by_key_value(node, u"link", link_name)
432 def get_interfaces_by_link_names(self, node, link_names):
433 """Return dictionary of dictionaries {"interfaceN", interface name}.
435 This method returns the interface names associated with given links
438 :param node: The node topology directory.
439 :param link_names: List of names of the link that a interface is
442 :type link_names: list
443 :returns: Dictionary of interface names that are connected to the given
449 for link_name in link_names:
450 interface = self.get_interface_by_link_name(node, link_name)
451 retval[f"interface{str(interface_number)}"] = \
452 self.get_interface_name(node, interface)
453 interface_number += 1
457 def get_interface_by_sw_index(node, sw_if_index):
458 """Return interface name of link on node.
460 This method returns the interface name associated with a software
461 interface index assigned to the interface by vpp for a given node.
463 :param node: The node topology dictionary.
464 :param sw_if_index: sw_if_index of the link that a interface is
467 :type sw_if_index: int
468 :returns: Interface name of the interface connected to the given link.
471 return Topology._get_interface_by_key_value(
472 node, u"vpp_sw_index", sw_if_index
476 def get_interface_sw_index(node, iface_key):
477 """Get VPP sw_if_index for the interface using interface key.
479 :param node: Node to get interface sw_if_index on.
480 :param iface_key: Interface key from topology file, or sw_if_index.
482 :type iface_key: str/int
483 :returns: Return sw_if_index or None if not found.
487 if isinstance(iface_key, str):
488 return node[u"interfaces"][iface_key].get(u"vpp_sw_index")
489 # TODO: use only iface_key, do not use integer
490 return int(iface_key)
491 except (KeyError, ValueError):
495 def get_interface_sw_index_by_name(node, iface_name):
496 """Get VPP sw_if_index for the interface using interface name.
498 :param node: Node to get interface sw_if_index on.
499 :param iface_name: Interface name.
501 :type iface_name: str
502 :returns: Return sw_if_index or None if not found.
503 :raises TypeError: If provided interface name is not a string.
506 if not isinstance(iface_name, str):
507 raise TypeError(u"Interface name must be a string.")
508 iface_key = Topology.get_interface_by_name(node, iface_name)
509 return node[u"interfaces"][iface_key].get(u"vpp_sw_index")
510 except (KeyError, ValueError):
514 def get_interface_mtu(node, iface_key):
515 """Get interface MTU.
517 Returns physical layer MTU (max. size of Ethernet frame).
518 :param node: Node to get interface MTU on.
519 :param iface_key: Interface key from topology file.
522 :returns: MTU or None if not found.
526 return node[u"interfaces"][iface_key].get(u"mtu")
531 def get_interface_name(node, iface_key):
532 """Get interface name (retrieved from DUT/TG).
534 Returns name in string format, retrieved from the node.
535 :param node: Node to get interface name on.
536 :param iface_key: Interface key from topology file.
539 :returns: Interface name or None if not found.
543 return node[u"interfaces"][iface_key].get(u"name")
548 def convert_interface_reference_to_key(node, interface):
549 """Takes interface reference in any format
550 (name, link name, interface key or sw_if_index)
551 and converts to interface key using Topology methods.
553 :param node: Node in topology.
554 :param interface: Name, sw_if_index, link name or key of an interface
557 :type interface: str or int
559 :returns: Interface key.
562 :raises TypeError: If provided with invalid interface argument.
563 :raises RuntimeError: If the interface does not exist in topology.
566 if isinstance(interface, int):
567 key = Topology.get_interface_by_sw_index(node, interface)
570 f"Interface with sw_if_index={interface} does not exist "
573 elif interface in Topology.get_node_interfaces(node):
575 elif interface in Topology.get_links({u"dut": node}):
576 key = Topology.get_interface_by_link_name(node, interface)
577 elif isinstance(interface, str):
578 key = Topology.get_interface_by_name(node, interface)
581 f"Interface with key, name or link name \"{interface}\" "
582 f"does not exist in topology."
586 u"Type of interface argument must be integer or string."
591 def convert_interface_reference(node, interface, wanted_format):
592 """Takes interface reference in any format
593 (name, link name, topology key or sw_if_index) and returns
594 its equivalent in the desired format.
596 :param node: Node in topology.
597 :param interface: Name, sw_if_index, link name or key of an interface
599 :param wanted_format: Format of return value wanted.
600 Valid options are: sw_if_index, key, name.
602 :type interface: str or int
603 :type wanted_format: str
604 :returns: Interface name, interface key or sw_if_index.
606 :raises TypeError, ValueError: If provided with invalid arguments.
607 :raises RuntimeError: If the interface does not exist in topology.
610 key = Topology.convert_interface_reference_to_key(node, interface)
613 u"key": lambda x, y: y,
614 u"name": Topology.get_interface_name,
615 u"sw_if_index": Topology.get_interface_sw_index
619 return conversions[wanted_format](node, key)
622 f"Unrecognized return value wanted: {wanted_format}."
623 f"Valid options are key, name, sw_if_index"
627 def get_interface_numa_node(node, iface_key):
628 """Get interface numa node.
630 Returns physical relation to numa node, numa_id.
632 :param node: Node to get numa id on.
633 :param iface_key: Interface key from topology file.
636 :returns: numa node id, None if not available.
640 return node[u"interfaces"][iface_key].get(u"numa_node")
645 def get_interfaces_numa_node(node, *iface_keys):
646 """Get numa node on which are located most of the interfaces.
648 Return numa node with highest count of interfaces provided as arguments.
649 Return 0 if the interface does not have numa_node information available.
650 If all interfaces have unknown location (-1), then return 0.
651 If most of interfaces have unknown location (-1), but there are
652 some interfaces with known location, then return the second most
653 location of the provided interfaces.
655 :param node: Node from DICT__nodes.
656 :param iface_keys: Interface keys for lookup.
658 :type iface_keys: strings
659 :returns: Numa node of most given interfaces or 0.
663 for if_key in iface_keys:
665 numa_list.append(node[u"interfaces"][if_key].get(u"numa_node"))
669 numa_cnt_mc = Counter(numa_list).most_common()
671 if numa_cnt_mc and numa_cnt_mc[0][0] != -1:
672 return numa_cnt_mc[0][0]
673 if len(numa_cnt_mc) > 1 and numa_cnt_mc[0][0] == -1:
674 return numa_cnt_mc[1][0]
678 def get_interface_mac(node, iface_key):
679 """Get MAC address for the interface.
681 :param node: Node to get interface mac on.
682 :param iface_key: Interface key from topology file.
685 :returns: Return MAC or None if not found.
688 return node[u"interfaces"][iface_key].get(u"mac_address")
693 def get_interface_ip4(node, iface_key):
694 """Get IP4 address for the interface.
696 :param node: Node to get interface mac on.
697 :param iface_key: Interface key from topology file.
700 :returns: Return IP4 or None if not found.
703 return node[u"interfaces"][iface_key].get(u"ip4_address")
708 def get_adjacent_node_and_interface(nodes_info, node, iface_key):
709 """Get node and interface adjacent to specified interface
712 :param nodes_info: Dictionary containing information on all nodes
714 :param node: Node that contains specified interface.
715 :param iface_key: Interface key from topology file.
716 :type nodes_info: dict
719 :returns: Return (node, interface_key) tuple or None if not found.
723 # get link name where the interface belongs to
724 for if_key, if_val in node[u"interfaces"].items():
725 if if_key == u"mgmt":
727 if if_key == iface_key:
728 link_name = if_val[u"link"]
731 if link_name is None:
735 for node_data in nodes_info.values():
737 if node_data[u"host"] == node[u"host"]:
740 in node_data[u"interfaces"].items():
741 if u"link" not in if_val:
743 if if_val[u"link"] == link_name:
744 return node_data, if_key
748 def get_interface_pci_addr(node, iface_key):
749 """Get interface PCI address.
751 :param node: Node to get interface PCI address on.
752 :param iface_key: Interface key from topology file.
755 :returns: Return PCI address or None if not found.
758 return node[u"interfaces"][iface_key].get(u"pci_address")
763 def get_interface_driver(node, iface_key):
764 """Get interface driver.
766 :param node: Node to get interface driver on.
767 :param iface_key: Interface key from topology file.
770 :returns: Return interface driver or None if not found.
773 return node[u"interfaces"][iface_key].get(u"driver")
778 def get_interface_vlan(node, iface_key):
779 """Get interface vlan.
781 :param node: Node to get interface driver on.
782 :param iface_key: Interface key from topology file.
785 :returns: Return interface vlan or None if not found.
788 return node[u"interfaces"][iface_key].get(u"vlan")
793 def get_node_interfaces(node):
794 """Get all node interfaces.
796 :param node: Node to get list of interfaces from.
798 :returns: Return list of keys of all interfaces.
801 return node[u"interfaces"].keys()
804 def get_node_link_mac(node, link_name):
805 """Return interface mac address by link name.
807 :param node: Node to get interface sw_if_index on.
808 :param link_name: Link name.
811 :returns: MAC address string.
814 for port in node[u"interfaces"].values():
815 if port.get(u"link") == link_name:
816 return port.get(u"mac_address")
820 def _get_node_active_link_names(node, filter_list=None):
821 """Return list of link names that are other than mgmt links.
823 :param node: Node topology dictionary.
824 :param filter_list: Link filter criteria.
826 :type filter_list: list of strings
827 :returns: List of link names occupied by the node.
828 :rtype: None or list of string
830 interfaces = node[u"interfaces"]
832 for interface in interfaces.values():
833 if u"link" in interface:
834 if (filter_list is not None) and (u"model" in interface):
835 for filt in filter_list:
836 if filt == interface[u"model"]:
837 link_names.append(interface[u"link"])
838 elif (filter_list is not None) and (u"model" not in interface):
840 f"Cannot apply filter on interface: {str(interface)}"
843 link_names.append(interface[u"link"])
848 def get_active_connecting_links(
849 self, node1, node2, filter_list_node1=None, filter_list_node2=None):
850 """Return list of link names that connect together node1 and node2.
852 :param node1: Node topology dictionary.
853 :param node2: Node topology dictionary.
854 :param filter_list_node1: Link filter criteria for node1.
855 :param filter_list_node2: Link filter criteria for node2.
858 :type filter_list_node1: list of strings
859 :type filter_list_node2: list of strings
860 :returns: List of strings that represent connecting link names.
864 logger.trace(f"node1: {str(node1)}")
865 logger.trace(f"node2: {str(node2)}")
866 node1_links = self._get_node_active_link_names(
867 node1, filter_list=filter_list_node1
869 node2_links = self._get_node_active_link_names(
870 node2, filter_list=filter_list_node2
873 connecting_links = None
874 if node1_links is None:
875 logger.error(u"Unable to find active links for node1")
876 elif node2_links is None:
877 logger.error(u"Unable to find active links for node2")
879 connecting_links = list(set(node1_links).intersection(node2_links))
881 return connecting_links
883 def get_first_active_connecting_link(self, node1, node2):
884 """Get first link connecting the two nodes together.
886 :param node1: Connected node.
887 :param node2: Connected node.
890 :returns: Name of a link connecting the two nodes together.
892 :raises RuntimeError: If no links are found.
894 connecting_links = self.get_active_connecting_links(node1, node2)
895 if not connecting_links:
896 raise RuntimeError(u"No links connecting the nodes were found")
897 return connecting_links[0]
899 def get_egress_interfaces_name_for_nodes(self, node1, node2):
900 """Get egress interfaces on node1 for link with node2.
902 :param node1: First node, node to get egress interface on.
903 :param node2: Second node.
906 :returns: Egress interfaces.
910 links = self.get_active_connecting_links(node1, node2)
912 raise RuntimeError(u"No link between nodes")
913 for interface in node1[u"interfaces"].values():
914 link = interface.get(u"link")
919 name = interface.get(u"name")
922 interfaces.append(name)
925 def get_first_egress_interface_for_nodes(self, node1, node2):
926 """Get first egress interface on node1 for link with node2.
928 :param node1: First node, node to get egress interface name on.
929 :param node2: Second node.
932 :returns: Egress interface name.
935 interfaces = self.get_egress_interfaces_name_for_nodes(node1, node2)
937 raise RuntimeError(u"No egress interface for nodes")
940 def get_links_dict_from_nodes(self, tgen, dut1, dut2):
941 """Return link combinations used in tests in circular topology.
943 For the time being it returns links from the Node path:
945 The naming convention until changed to something more general is
947 DUT1_DUT2_LINK: link name between DUT! and DUT2
948 DUT1_TG_LINK: link name between DUT1 and TG
949 DUT2_TG_LINK: link name between DUT2 and TG
950 TG_TRAFFIC_LINKS: list of link names that generated traffic is sent
952 DUT1_BD_LINKS: list of link names that will be connected by the bridge
954 DUT2_BD_LINKS: list of link names that will be connected by the bridge
957 :param tgen: Traffic generator node data.
958 :param dut1: DUT1 node data.
959 :param dut2: DUT2 node data.
963 :returns: Dictionary of possible link combinations.
966 # TODO: replace with generic function.
967 dut1_dut2_link = self.get_first_active_connecting_link(dut1, dut2)
968 dut1_tg_link = self.get_first_active_connecting_link(dut1, tgen)
969 dut2_tg_link = self.get_first_active_connecting_link(dut2, tgen)
970 tg_traffic_links = [dut1_tg_link, dut2_tg_link]
971 dut1_bd_links = [dut1_dut2_link, dut1_tg_link]
972 dut2_bd_links = [dut1_dut2_link, dut2_tg_link]
974 u"DUT1_DUT2_LINK": dut1_dut2_link,
975 u"DUT1_TG_LINK": dut1_tg_link,
976 u"DUT2_TG_LINK": dut2_tg_link,
977 u"TG_TRAFFIC_LINKS": tg_traffic_links,
978 u"DUT1_BD_LINKS": dut1_bd_links,
979 u"DUT2_BD_LINKS": dut2_bd_links
981 return topology_links
984 def is_tg_node(node):
985 """Find out whether the node is TG.
987 :param node: Node to examine.
989 :returns: True if node is type of TG, otherwise False.
992 return node[u"type"] == NodeType.TG
995 def get_node_hostname(node):
996 """Return host (hostname/ip address) of the node.
998 :param node: Node created from topology.
1000 :returns: Hostname or IP address.
1003 return node[u"host"]
1006 def get_node_arch(node):
1007 """Return arch of the node.
1008 Default to x86_64 if no arch present
1010 :param node: Node created from topology.
1012 :returns: Node architecture
1016 return node[u"arch"]
1018 node[u"arch"] = u"x86_64"
1022 def get_cryptodev(node):
1023 """Return Crytodev configuration of the node.
1025 :param node: Node created from topology.
1027 :returns: Cryptodev configuration string.
1031 return node[u"cryptodev"]
1036 def get_uio_driver(node):
1037 """Return uio-driver configuration of the node.
1039 :param node: Node created from topology.
1041 :returns: uio-driver configuration string.
1045 return node[u"uio_driver"]
1050 def set_interface_numa_node(node, iface_key, numa_node_id):
1051 """Set interface numa_node location.
1053 :param node: Node to set numa_node on.
1054 :param iface_key: Interface key from topology file.
1055 :param numa_node_id: Num_node ID.
1057 :type iface_key: str
1058 :type numa_node_id: int
1059 :returns: Return iface_key or None if not found.
1062 node[u"interfaces"][iface_key][u"numa_node"] = numa_node_id
1068 def add_new_socket(node, socket_type, socket_id, socket_path):
1069 """Add socket file of specific SocketType and ID to node.
1071 :param node: Node to add socket on.
1072 :param socket_type: Socket type.
1073 :param socket_id: Socket id, currently equals to unique node key.
1074 :param socket_path: Socket absolute path.
1076 :type socket_type: SocketType
1077 :type socket_id: str
1078 :type socket_path: str
1080 path = [u"sockets", socket_type, socket_id]
1081 Topology.add_node_item(node, socket_path, path)
1084 def del_node_socket_id(node, socket_type, socket_id):
1085 """Delete socket of specific SocketType and ID from node.
1087 :param node: Node to delete socket from.
1088 :param socket_type: Socket type.
1089 :param socket_id: Socket id, currently equals to unique node key.
1091 :type socket_type: SocketType
1092 :type socket_id: str
1094 node[u"sockets"][socket_type].pop(socket_id)
1097 def get_node_sockets(node, socket_type=None):
1098 """Get node socket files.
1100 :param node: Node to get sockets from.
1101 :param socket_type: Socket type or None for all sockets.
1103 :type socket_type: SocketType
1104 :returns: Node sockets or None if not found.
1109 return node[u"sockets"][socket_type]
1110 return node[u"sockets"]
1115 def clean_sockets_on_all_nodes(nodes):
1116 """Remove temporary socket files from topology file.
1118 :param nodes: SUT nodes.
1121 for node in nodes.values():
1122 if u"sockets" in list(node.keys()):
1123 node.pop(u"sockets")