X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=3f268092e3e168c7a5b00a37964445092f77c838;hp=cff2c9f695d1e0f58ad3291b5f7761c9f9e8e4ce;hb=9fdc420129db69d20c8f603c15205f2aaf375d66;hpb=3c9040f9a7a72abd149b403a95b8d12946ba69db diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py index cff2c9f695..3f268092e3 100644 --- a/resources/libraries/python/InterfaceUtil.py +++ b/resources/libraries/python/InterfaceUtil.py @@ -1,4 +1,4 @@ -# Copyright (c) 2018 Cisco and/or its affiliates. +# Copyright (c) 2019 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: @@ -13,14 +13,19 @@ """Interface util library.""" +from socket import AF_INET, AF_INET6, inet_ntop, inet_pton +from socket import error as inet_error from time import time, sleep from robot.api import logger +from resources.libraries.python.Constants import Constants from resources.libraries.python.CpuUtils import CpuUtils from resources.libraries.python.DUTSetup import DUTSetup +from resources.libraries.python.PapiExecutor import PapiExecutor from resources.libraries.python.IPUtil import convert_ipv4_netmask_prefix from resources.libraries.python.IPUtil import IPUtil +from resources.libraries.python.PapiExecutor import PapiExecutor from resources.libraries.python.parsers.JsonParser import JsonParser from resources.libraries.python.ssh import SSH, exec_cmd_no_error from resources.libraries.python.topology import NodeType, Topology @@ -877,28 +882,38 @@ class InterfaceUtil(object): :rtype: tuple :raises RuntimeError: If unable to create GRE tunnel interface. """ - output = VatExecutor.cmd_from_template(node, "create_gre.vat", - src=source_ip, - dst=destination_ip) - output = output[0] - - if output["retval"] == 0: - sw_if_idx = output["sw_if_index"] - vat_executor = VatExecutor() - vat_executor.execute_script_json_out("dump_interfaces.vat", node) - interface_dump_json = vat_executor.get_script_stdout() - name = VatJsonUtil.get_interface_name_from_json( - interface_dump_json, sw_if_idx) - - if_key = Topology.add_new_port(node, "gre_tunnel") - Topology.update_interface_sw_if_index(node, if_key, sw_if_idx) - Topology.update_interface_name(node, if_key, name) + try: + src_address = inet_pton(AF_INET6, source_ip) + dst_address = inet_pton(AF_INET6, destination_ip) + is_ipv6 = 1 + except inet_error: + src_address = inet_pton(AF_INET, source_ip) + dst_address = inet_pton(AF_INET, destination_ip) + is_ipv6 = 0 + + cmd = 'gre_tunnel_add_del' + tunnel = dict(type=0, + instance=Constants.BITWISE_NON_ZERO, + src=src_address, + dst=dst_address, + outer_fib_id=0, + session_id=0) + args = dict(is_add=1, + tunnel=tunnel) + err_msg = 'Failed to create GRE tunnel interface on host {host}'.format( + host=node['host']) + with PapiExecutor(node) as papi_exec: + papi_resp = papi_exec.add(cmd, **args).get_replies(err_msg).\ + verify_reply(err_msg=err_msg) + + sw_if_idx = papi_resp['sw_if_index'] + if_key = Topology.add_new_port(node, 'gre_tunnel') + Topology.update_interface_sw_if_index(node, if_key, sw_if_idx) + ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_idx) + Topology.update_interface_name(node, if_key, ifc_name) - return name, sw_if_idx - else: - raise RuntimeError('Unable to create GRE tunnel on node {}.' - .format(node)) + return ifc_name, sw_if_idx @staticmethod def vpp_create_loopback(node): @@ -989,21 +1004,27 @@ class InterfaceUtil(object): Topology.update_interface_mac_address(node, if_key, ifc_mac) @staticmethod - def vpp_create_avf_interface(node, vf_pci_addr): + def vpp_create_avf_interface(node, vf_pci_addr, num_rx_queues=None): """Create AVF interface on VPP node. :param node: DUT node from topology. :param vf_pci_addr: Virtual Function PCI address. + :param num_rx_queues: Number of RX queues. :type node: dict :type vf_pci_addr: str + :type num_rx_queues: int :returns: Interface key (name) in topology. :rtype: str :raises RuntimeError: If it is not possible to create AVF interface on the node. """ + num_rx_queues = 'num-rx-queues {num_rx_queues}'\ + .format(num_rx_queues=num_rx_queues) if num_rx_queues else '' + with VatTerminal(node, json_param=False) as vat: vat.vat_terminal_exec_cmd_from_template('create_avf_interface.vat', - vf_pci_addr=vf_pci_addr) + vf_pci_addr=vf_pci_addr, + num_rx_queues=num_rx_queues) output = vat.vat_stdout if output is not None: @@ -1318,18 +1339,19 @@ class InterfaceUtil(object): exec_cmd_no_error(node, cmd, sudo=True) @staticmethod - def init_avf_interface(node, ifc_key, numvfs=1, topology_type='L2'): + def init_avf_interface(node, ifc_key, numvfs=1, osi_layer='L2'): """Init PCI device by creating VFs and bind them to vfio-pci for AVF driver testing on DUT. :param node: DUT node. :param ifc_key: Interface key from topology file. :param numvfs: Number of VFs to initialize, 0 - disable the VFs. - :param topology_type: Topology type. + :param osi_layer: OSI Layer type to initialize TG with. + Default value "L2" sets linux interface spoof off. :type node: dict :type ifc_key: str :type numvfs: int - :type topology_type: str + :type osi_layer: str :returns: Virtual Function topology interface keys. :rtype: list """ @@ -1368,7 +1390,7 @@ class InterfaceUtil(object): format(pci=pf_pci_addr) InterfaceUtil.set_linux_interface_trust_on(node, pf_dev, vf_id=vf_id) - if topology_type == 'L2': + if osi_layer == 'L2': InterfaceUtil.set_linux_interface_spoof_off(node, pf_dev, vf_id=vf_id) InterfaceUtil.set_linux_interface_mac(node, pf_dev, vf_mac_addr, @@ -1620,3 +1642,92 @@ class InterfaceUtil(object): node, 'vlan_subif{nr}'.format(nr=subif_id)), bd_id=bd_id)) VatExecutor().write_and_execute_script(node, tmp_fn, commands) + + @staticmethod + def vpp_sw_interface_rx_placement_dump(node): + """Dump VPP interface RX placement on node. + + :param node: Node to run command on. + :type node: dict + :returns: Thread mapping information as a list of dictionaries. + :rtype: list + """ + + cmd = 'sw_interface_rx_placement_dump' + cmd_reply = 'sw_interface_rx_placement_details' + err_msg = "Failed to run '{cmd}' PAPI command on host {host}!".format( + cmd=cmd, host=node['host']) + with PapiExecutor(node) as papi_exec: + for ifc in node['interfaces'].values(): + if ifc['vpp_sw_index'] is not None: + papi_exec.add(cmd, sw_if_index=ifc['vpp_sw_index']) + papi_resp = papi_exec.get_dump(err_msg) + thr_mapping = [s[cmd_reply] for r in papi_resp.reply + for s in r['api_reply']] + return sorted(thr_mapping, key=lambda k: k['sw_if_index']) + + @staticmethod + def vpp_sw_interface_set_rx_placement(node, sw_if_index, queue_id, + worker_id): + """Set interface RX placement to worker on node. + + :param node: Node to run command on. + :param sw_if_index: VPP SW interface index. + :param queue_id: VPP interface queue ID. + :param worker_id: VPP worker ID (indexing from 0). + :type node: dict + :type sw_if_index: int + :type queue_id: int + :type worker_id: int + :raises RuntimeError: If failed to run command on host or if no API + reply received. + """ + + cmd = 'sw_interface_set_rx_placement' + cmd_reply = 'sw_interface_set_rx_placement_reply' + err_msg = "Failed to run '{cmd}' PAPI command on host {host}!".format( + host=node['host'], cmd=cmd) + args = dict(sw_if_index=sw_if_index, queue_id=queue_id, + worker_id=worker_id) + with PapiExecutor(node) as papi_exec: + papi_resp = papi_exec.add(cmd, **args).execute_should_pass(err_msg) + data = papi_resp.reply[0]['api_reply'][cmd_reply] + if data['retval'] != 0: + raise RuntimeError("Failed to set interface RX placement " + "to worker on host {host}". + format(host=node['host'])) + + @staticmethod + def vpp_round_robin_rx_placement(node, prefix): + """Set Round Robin interface RX placement on all worker threads + on node. + + :param node: Topology nodes. + :param prefix: Interface name prefix. + :type node: dict + :type prefix: str + """ + worker_id = 0 + worker_cnt = len(VPPUtil.vpp_show_threads(node)) - 1 + for placement in InterfaceUtil.vpp_sw_interface_rx_placement_dump(node): + for interface in node['interfaces'].values(): + if placement['sw_if_index'] == interface['vpp_sw_index'] \ + and prefix in interface['name']: + InterfaceUtil.vpp_sw_interface_set_rx_placement( + node, placement['sw_if_index'], placement['queue_id'], + worker_id % worker_cnt) + worker_id += 1 + + @staticmethod + def vpp_round_robin_rx_placement_on_all_duts(nodes, prefix): + """Set Round Robin interface RX placement on all worker threads + on all DUTs. + + :param nodes: Topology nodes. + :param prefix: Interface name prefix. + :type nodes: dict + :type prefix: str + """ + for node in nodes.values(): + if node['type'] == NodeType.DUT: + InterfaceUtil.vpp_round_robin_rx_placement(node, prefix)