1 ##############################################################################
2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
12 from vstf.agent.perf import netns
13 from vstf.common.utils import check_output, get_device_name, my_sleep, check_call, call, IPCommandHelper
15 LOG = logging.getLogger(__name__)
23 class LspciHelper(object):
25 self.bdf_desc_map = {}
26 self.bdf_device_map = {}
27 self.device_bdf_map = {}
29 self.bdf_driver_map = {}
38 self.bdf_desc_map = {}
39 out = check_output('lspci |grep Eth', shell=True)
40 for line in out.splitlines():
41 bdf, desc = line.split(' ', 1)
42 self.bdf_desc_map[bdf] = desc
44 def _get_devices(self):
45 for bdf, desc in self.bdf_desc_map.items():
46 device = get_device_name(bdf)
48 LOG.info("cann't find device name for bdf:%s, no driver is available.", bdf)
50 self._load_driver(desc)
52 LOG.warn("!!!unable to load_driver for device:%s", bdf)
54 device = get_device_name(bdf)
55 self.bdf_device_map[bdf] = device
57 self.device_bdf_map[device] = bdf
58 check_call("ip link set dev %s up" % device, shell=True)
60 def _get_drivers(self):
61 for device, bdf in self.device_bdf_map.items():
62 buf = check_output('ethtool -i %s | head -n1' % device, shell=True)
63 driver = buf.split()[1]
64 self.bdf_driver_map[bdf] = driver
66 def _get_ip_macs(self):
67 for device, bdf in self.device_bdf_map.items():
68 buf = check_output("ip addr show dev %s" % device, shell=True)
69 macs = re.compile("[A-F0-9]{2}(?::[A-F0-9]{2}){5}", re.IGNORECASE | re.MULTILINE)
70 for mac in macs.findall(buf):
71 if mac.lower() in ('00:00:00:00:00:00', 'ff:ff:ff:ff:ff:ff'):
75 ips = re.compile(r"inet (\d{1,3}\.\d{1,3}\.\d{1,3}.\d{1,3}/\d{1,2})", re.MULTILINE)
78 self.bdf_ip_map[bdf] = ip[0]
80 self.bdf_ip_map[bdf] = None
81 self.bdf_mac_map[bdf] = mac
82 self.mac_bdf_map[mac] = bdf
84 def _load_driver(self, desc):
85 for key in default_drivers:
87 driver = default_drivers[key]
88 LOG.info("try to load default driver [%s]", driver)
89 check_call('modprobe %s' % driver, shell=True)
92 LOG.warn("unsupported nic type:%s", desc)
95 class DeviceManager(object):
97 super(DeviceManager, self).__init__()
98 mgr = netns.NetnsManager()
99 mgr.clean_all_namespace()
100 self.lspci_helper = LspciHelper()
102 def _get_device_detail(self, bdf):
103 device = self.lspci_helper.bdf_device_map[bdf]
104 mac = self.lspci_helper.bdf_mac_map[bdf]
105 ip = self.lspci_helper.bdf_ip_map[bdf]
106 desc = self.lspci_helper.bdf_desc_map[bdf]
107 driver = self.lspci_helper.bdf_driver_map[bdf]
118 def get_device_detail(self, identity):
120 Gets the detail of a network card.
122 :param identity: be it the mac address, bdf, device name of a network card.
123 :return: device detail of a network card.
125 if identity in self.lspci_helper.bdf_device_map:
127 elif identity in self.lspci_helper.device_bdf_map:
128 bdf = self.lspci_helper.device_bdf_map[identity]
129 elif identity in self.lspci_helper.mac_bdf_map:
130 bdf = self.lspci_helper.mac_bdf_map[identity]
132 raise Exception("cann't find the device by identity:%s" % identity)
133 return self._get_device_detail(bdf)
135 def get_device_verbose(self, identity):
136 return IPCommandHelper().get_device_verbose(identity)
138 def list_nic_devices(self):
140 Get all the details of network devices in the host.
141 :return: a list of network card detail.
144 for bdf in self.lspci_helper.bdf_device_map.keys():
145 detail = self._get_device_detail(bdf)
146 device_list.append(detail)