def _get_representor(self, vif):
if isinstance(vif, obj.vif.VIFHostDevice):
pci_addr = vif.dev_address
elif 'datapath_offload' in vif.port_profile \
and hasattr(vif.port_profile, 'datapath_offload') \
and isinstance(vif.port_profile.datapath_offload,
obj.vif.DatapathOffloadRepresentor):
pci_addr = vif.port_profile.datapath_offload.representor_address
elif 'representor_address' in vif.port_profile \
and hasattr(vif.port_profile, 'representor_address'):
pci_addr = vif.port_profile.representor_address
else:
# TODO(jangutter): New exception is needed
raise exception.WrongPortProfile(
profile=vif.port_profile.__class__.__name__)
vf_num = linux_net.get_vf_num_by_pci_address(pci_addr)
pf_ifname = linux_net.get_ifname_by_pci_address(pci_addr,
pf_interface=True,
switchdev=True)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
return {
'address': pci_addr,
'name': representor,
'pfname': pf_ifname,
'vfno': vf_num
}
def test_get_representor_port_2_pfs(
self, mock_get_function_by_ifname, mock_listdir, mock_isfile,
mock_open):
mock_listdir.return_value = [
'pf_ifname1', 'pf_ifname2', 'rep_pf1_vf_1', 'rep_pf1_vf_2',
'rep_pf2_vf_1', 'rep_pf2_vf_2',
]
mock_isfile.side_effect = [True, True, True, True]
mock_open.return_value.__enter__ = lambda s: s
readline_mock = mock_open.return_value.readline
readline_mock.side_effect = (
['pf_sw_id',
'pf_sw_id', 'VF1@PF1', 'pf_sw_id', 'vf2@pf1',
'pf_sw_id', 'pf2vf1', 'pf_sw_id', 'pf2vf2'])
# PCI IDs mocked:
# PF1: 0000:0a:00.1 PF2: 0000:0a:00.2
# PF1VF1: 0000:0a:02.1 PF1VF2: 0000:0a:02.2
# PF2VF1: 0000:0a:04.1 PF2VF2: 0000:0a:04.2
mock_get_function_by_ifname.side_effect = (
[("0000:0a:00.1", True), ("0000:0a:00.2", True),
("0000:0a:02.1", False), ("0000:0a:00.2", True),
("0000:0a:02.2", False), ("0000:0a:00.2", True),
("0000:0a:04.1", False), ("0000:0a:00.2", True),
("0000:0a:04.2", False), ("0000:0a:00.2", True)])
ifname = linux_net.get_representor_port('pf_ifname2', '2')
self.assertEqual('rep_pf2_vf_2', ifname)
def test_get_representor_port(self, mock_listdir, mock_isfile, mock_open):
mock_listdir.return_value = ['pf_ifname', 'rep_vf_1', 'rep_vf_2']
mock_isfile.side_effect = [True, True]
mock_open.return_value.__enter__ = lambda s: s
readline_mock = mock_open.return_value.readline
readline_mock.side_effect = ([
'pf_sw_id', 'pf_sw_id', '1', 'pf_sw_id', 'pf0vf2'
])
open_calls = ([
mock.call('/sys/class/net/pf_ifname/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_1/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_1/phys_port_name', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_2/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_2/phys_port_name', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None)
])
ifname = linux_net.get_representor_port('pf_ifname', '2')
mock_open.assert_has_calls(open_calls)
self.assertEqual('rep_vf_2', ifname)
def test_get_representor_port(self, mock__get_phys_switch_id,
mock__get_phys_port_name, mock__get_pf_func,
mock_listdir):
mock_listdir.return_value = ['pf_ifname', 'rep_vf_1', 'rep_vf_2']
mock__get_phys_switch_id.return_value = 'pf_sw_id'
mock__get_pf_func.return_value = "0"
mock__get_phys_port_name.side_effect = (['1', "pf0vf1", "pf0vf2"])
ifname = linux_net.get_representor_port('pf_ifname', '2')
self.assertEqual('rep_vf_2', ifname)
def _plug_vf_passthrough(self, vif, instance_info):
linux_net.ensure_ovs_bridge(vif.network.bridge,
constants.OVS_DATAPATH_SYSTEM)
pci_slot = vif.dev_address
pf_ifname = linux_net.get_ifname_by_pci_address(pci_slot,
pf_interface=True,
switchdev=True)
vf_num = linux_net.get_vf_num_by_pci_address(pci_slot)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
linux_net.set_interface_state(representor, 'up')
self._create_vif_port(vif, representor, instance_info)
def _unplug_vf_passthrough(self, vif, instance_info):
"""Remove port from OVS."""
pci_slot = vif.dev_address
pf_ifname = linux_net.get_ifname_by_pci_address(pci_slot,
pf_interface=True,
switchdev=True)
vf_num = linux_net.get_vf_num_by_pci_address(pci_slot)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
# The representor interface can't be deleted because it bind the
# SR-IOV VF, therefore we just need to remove it from the ovs bridge
# and set the status to down
linux_net.delete_ovs_vif_port(vif.network.bridge,
representor,
delete_netdev=False)
linux_net.set_interface_state(representor, 'down')
def test_get_representor_port_2_pfs(self, mock__get_phys_switch_id,
mock__get_phys_port_name,
mock__get_pf_func, mock_listdir):
mock_listdir.return_value = [
'pf_ifname1',
'pf_ifname2',
'rep_pf1_vf_1',
'rep_pf1_vf_2',
'rep_pf2_vf_1',
'rep_pf2_vf_2',
]
mock__get_phys_switch_id.return_value = 'pf_sw_id'
mock__get_pf_func.return_value = "2"
mock__get_phys_port_name.side_effect = ([
"p1", "p2", "VF1@PF1", "pf2vf1", "vf2@pf1", "pf2vf2"
])
ifname = linux_net.get_representor_port('pf_ifname2', '2')
self.assertEqual('rep_pf2_vf_2', ifname)
def test_get_representor_port_2_pfs(self, mock_listdir, mock_isfile,
mock_open):
mock_listdir.return_value = [
'pf_ifname1',
'pf_ifname2',
'rep_pf1_vf_1',
'rep_pf1_vf_2',
'rep_pf2_vf_1',
'rep_pf2_vf_2',
]
mock_isfile.side_effect = [True, True, True, True]
mock_open.return_value.__enter__ = lambda s: s
readline_mock = mock_open.return_value.readline
readline_mock.side_effect = ([
'pf1_sw_id', 'pf1_sw_id', 'pf2_sw_id', '1', 'pf1_sw_id', '2'
])
ifname = linux_net.get_representor_port('pf_ifname1', '2')
self.assertEqual('rep_pf1_vf_2', ifname)
def _unplug_vf(self, vif):
"""Remove port from OVS."""
datapath = self._get_vif_datapath_type(vif)
if datapath == constants.OVS_DATAPATH_SYSTEM:
pci_slot = vif.dev_address
pf_ifname = linux_net.get_ifname_by_pci_address(
pci_slot, pf_interface=True, switchdev=True)
vf_num = linux_net.get_vf_num_by_pci_address(pci_slot)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
else:
representor = linux_net.get_dpdk_representor_port_name(
vif.id)
# The representor interface can't be deleted because it bind the
# SR-IOV VF, therefore we just need to remove it from the ovs bridge
# and set the status to down
self.ovsdb.delete_ovs_vif_port(
vif.network.bridge, representor, delete_netdev=False)
if datapath == constants.OVS_DATAPATH_SYSTEM:
linux_net.set_interface_state(representor, 'down')
def _plug_vf(self, vif, instance_info):
datapath = self._get_vif_datapath_type(vif)
self.ovsdb.ensure_ovs_bridge(vif.network.bridge, datapath)
pci_slot = vif.dev_address
vf_num = linux_net.get_vf_num_by_pci_address(pci_slot)
args = []
kwargs = {}
if datapath == constants.OVS_DATAPATH_SYSTEM:
pf_ifname = linux_net.get_ifname_by_pci_address(
pci_slot, pf_interface=True, switchdev=True)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
linux_net.set_interface_state(representor, 'up')
args = [vif, representor, instance_info]
else:
representor = linux_net.get_dpdk_representor_port_name(
vif.id)
pf_pci = linux_net.get_pf_pci_from_vf(pci_slot)
args = [vif, representor, instance_info]
kwargs = {'interface_type': constants.OVS_DPDK_INTERFACE_TYPE,
'pf_pci': pf_pci,
'vf_num': vf_num}
self._create_vif_port(*args, **kwargs)
def test_get_representor_port(self, mock_get_function_by_ifname,
mock_listdir, mock_isfile, mock_open):
mock_listdir.return_value = [
'pf_ifname', 'rep_vf_1', 'rep_vf_2'
]
mock_isfile.side_effect = [True, True]
mock_open.return_value.__enter__ = lambda s: s
readline_mock = mock_open.return_value.readline
readline_mock.side_effect = (
['pf_sw_id', 'pf_sw_id', '1', 'pf_sw_id', 'pf0vf2'])
# PCI IDs mocked:
# PF0: 0000:0a:00.0
# PF0VF1: 0000:0a:02.1 PF0VF2: 0000:0a:02.2
mock_get_function_by_ifname.side_effect = (
[("0000:0a:00.0", True),
("0000:0a:02.1", False),
("0000:0a:02.2", False), ("0000:0a:00.0", True)])
open_calls = (
[mock.call('/sys/class/net/pf_ifname/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_1/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_1/phys_port_name', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_2/phys_switch_id', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None),
mock.call('/sys/class/net/rep_vf_2/phys_port_name', 'r'),
mock.call().readline(),
mock.call().__exit__(None, None, None)])
ifname = linux_net.get_representor_port('pf_ifname', '2')
mock_open.assert_has_calls(open_calls)
self.assertEqual('rep_vf_2', ifname)
