def _get_pcinet_info(self, vf_address):
"""Returns a dict of NET device."""
devname = pci_utils.get_net_name_by_vf_pci_address(vf_address)
if not devname:
return
ifname = pci_utils.get_ifname_by_pci_address(vf_address)
# Features from the that libvirt supported, get them by ethtool -k
# Note: I cannot find the rdma feature returned by ethtool, correct me
# if the string is wrong.
FEATURES_LIST = [
'rx-checksumming', 'tx-checksumming', 'scatter-gather',
'tcp-segmentation-offload', 'generic-segmentation-offload',
'generic-receive-offload', 'large-receive-offload',
'rx-vlan-offload', 'tx-vlan-offload', 'ntuple-filters',
'receive-hashing', 'tx-udp_tnl-segmentation', 'rdma'
]
FEATURES_MAP = {
'rx-checksumming': 'rx',
'tx-checksumming': 'tx',
'scatter-gather': 'sg',
'tcp-segmentation-offload': 'tso',
'generic-segmentation-offload': 'gso',
'generic-receive-offload': 'gro',
'large-receive-offload': 'lro',
'rx-vlan-offload': 'rxvlan',
'tx-vlan-offload': 'txvlan',
'ntuple-filters': 'ntuple',
'receive-hashing': 'rxhash',
'tx-udp_tnl-segmentation': 'txudptnl',
'rdma': 'rdma'
}
features = []
try:
output, status = processutils.execute('ethtool', '-k', ifname)
lines = output.split('\n')
for line in lines:
columns = line.split(":")
if columns[0].strip() in FEATURES_LIST:
if "on" in columns[1].strip():
features.append(FEATURES_MAP.get(columns[0].strip()))
except processutils.ProcessExecutionError:
raise exception.CommandError(cmd='ethtool -k')
return {'name': devname, 'capabilities': features}
def _get_pcinet_info(self, vf_address):
"""Returns a dict of NET device."""
devname = pci_utils.get_net_name_by_vf_pci_address(vf_address)
if not devname:
return
ifname = pci_utils.get_ifname_by_pci_address(vf_address)
# Features from the that libvirt supported, get them by ethtool -k
# Note: I cannot find the rdma feature returned by ethtool, correct me
# if the string is wrong.
FEATURES_LIST = ['rx-checksumming', 'tx-checksumming',
'scatter-gather', 'tcp-segmentation-offload',
'generic-segmentation-offload',
'generic-receive-offload', 'large-receive-offload',
'rx-vlan-offload', 'tx-vlan-offload',
'ntuple-filters', 'receive-hashing',
'tx-udp_tnl-segmentation', 'rdma']
FEATURES_MAP = {'rx-checksumming': 'rx',
'tx-checksumming': 'tx',
'scatter-gather': 'sg',
'tcp-segmentation-offload': 'tso',
'generic-segmentation-offload': 'gso',
'generic-receive-offload': 'gro',
'large-receive-offload': 'lro',
'rx-vlan-offload': 'rxvlan',
'tx-vlan-offload': 'txvlan',
'ntuple-filters': 'ntuple',
'receive-hashing': 'rxhash',
'tx-udp_tnl-segmentation': 'txudptnl',
'rdma': 'rdma'}
features = []
output, status = utils.execute('ethtool', '-k', ifname)
lines = output.split('\n')
for line in lines:
columns = line.split(":")
if columns[0].strip() in FEATURES_LIST:
if "on" in columns[1].strip():
features.append(FEATURES_MAP.get(columns[0].strip()))
return {'name': devname,
'capabilities': features}
def test_virtual_function_inferface_name(self, mock_listdir):
mock_listdir.return_value = ['foo', 'bar']
ifname = utils.get_ifname_by_pci_address(
self.pci_address, pf_interface=False)
self.assertEqual(ifname, 'bar')
def test_virtual_function_inferface_name(self, mock_listdir):
mock_listdir.return_value = ['foo', 'bar']
ifname = utils.get_ifname_by_pci_address(
self.pci_address, pf_interface=False)
self.assertEqual(ifname, 'bar')
