def do_return_to_linux(self):
if not self.m_devices:
self.run_dpdk_lspci()
dpdk_interfaces = []
for device in self.m_devices.values():
if device.get('Driver_str') in dpdk_nic_bind.dpdk_drivers:
dpdk_interfaces.append(device['Slot'])
if not dpdk_interfaces:
print('No DPDK bound interfaces.')
return
if dpdk_nic_bind.get_igb_uio_usage():
pid = dpdk_nic_bind.get_pid_using_pci(dpdk_interfaces)
if pid:
cmdline = dpdk_nic_bind.read_pid_cmdline(pid)
print('DPDK interfaces are in use. Unbinding them might cause following process to hang:\npid: %s, cmd: %s' % (pid, cmdline))
if not dpdk_nic_bind.confirm('Confirm (y/N):'):
return
drivers_table = {
'rte_ixgbe_pmd': 'ixgbe',
'rte_igb_pmd': 'igb',
'rte_i40e_pmd': 'i40e',
'rte_em_pmd': 'e1000',
'rte_vmxnet3_pmd': 'vmxnet3',
'rte_virtio_pmd': 'virtio-pci',
'rte_enic_pmd': 'enic',
}
for pci, info in dpdk_nic_bind.get_info_from_trex(dpdk_interfaces).items():
if pci not in self.m_devices:
raise DpdkSetup('Internal error: PCI %s is not found among devices' % pci)
dev = self.m_devices[pci]
if info['TRex_Driver'] not in drivers_table:
print('Got unknown driver %s, description: %s' % (info['TRex_Driver'], dev['Device_str']))
else:
print('Returning to Linux %s' % pci)
dpdk_nic_bind.bind_one(pci, drivers_table[info['TRex_Driver']], False)
def do_return_to_linux(self):
if not self.m_devices:
self.run_dpdk_lspci()
dpdk_interfaces = []
for device in self.m_devices.values():
if device.get('Driver_str') in dpdk_nic_bind.dpdk_drivers:
dpdk_interfaces.append(device['Slot'])
if not dpdk_interfaces:
print('No DPDK bound interfaces.')
return
if dpdk_nic_bind.get_igb_uio_usage():
pid = dpdk_nic_bind.get_pid_using_pci(dpdk_interfaces)
if pid:
cmdline = dpdk_nic_bind.read_pid_cmdline(pid)
print('DPDK interfaces are in use. Unbinding them might cause following process to hang:\n%s' % cmdline)
if not dpdk_nic_bind.confirm('Confirm (y/N):'):
return
drivers_table = {
'rte_ixgbe_pmd': 'ixgbe',
'rte_igb_pmd': 'igb',
'rte_i40e_pmd': 'i40e',
'rte_em_pmd': 'e1000',
'rte_vmxnet3_pmd': 'vmxnet3',
'rte_virtio_pmd': 'virtio',
'rte_enic_pmd': 'enic',
}
for pci, info in dpdk_nic_bind.get_info_from_trex(dpdk_interfaces).items():
if pci not in self.m_devices:
raise DpdkSetup('Internal error: PCI %s is not found among devices' % pci)
dev = self.m_devices[pci]
if info['TRex_Driver'] not in drivers_table:
print('Got unknown driver %s, description: %s' % (info['TRex_Driver'], dev['Device_str']))
else:
print('Returning to Linux %s' % pci)
dpdk_nic_bind.bind_one(pci, drivers_table[info['TRex_Driver']], False)
def _get_wanted_interfaces(self, input_interfaces):
if type(input_interfaces) is not list:
raise DpdkSetup('type of input interfaces should be list')
if not len(input_interfaces):
raise DpdkSetup('Please specify interfaces to use in the config')
if len(input_interfaces) % 2:
raise DpdkSetup('Please specify even number of interfaces')
wanted_interfaces = []
sorted_pci = sorted(self.m_devices.keys())
for interface in input_interfaces:
dev = None
try:
interface = int(interface)
if interface < 0 or interface >= len(sorted_pci):
raise DpdkSetup(
'Index of an interfaces should be in range 0:%s' %
(len(sorted_pci) - 1))
dev = self.m_devices[sorted_pci[interface]]
except ValueError:
for d in self.m_devices.values():
if interface in (d['Interface'], d['Slot'], d['Slot_str']):
dev = d
break
if not dev:
raise DpdkSetup(
'Could not find information about this interface: %s' %
interface)
if dev in wanted_interfaces:
raise DpdkSetup('Interface %s is specified twice' % interface)
dev['Interface_argv'] = interface
wanted_interfaces.append(dev)
unbound = []
for interface in wanted_interfaces:
if 'Driver_str' not in interface:
unbound.append(interface['Slot'])
if unbound:
for pci, info in dpdk_nic_bind.get_info_from_trex(unbound).items():
if pci not in self.m_devices:
raise DpdkSetup(
'Internal error: PCI %s is not found among devices' %
pci)
self.m_devices[pci].update(info)
return wanted_interfaces
def _get_wanted_interfaces(self, input_interfaces, get_macs = True):
if type(input_interfaces) is not list:
raise DpdkSetup('type of input interfaces should be list')
if not len(input_interfaces):
raise DpdkSetup('Please specify interfaces to use in the config')
if len(input_interfaces) % 2:
raise DpdkSetup('Please specify even number of interfaces')
wanted_interfaces = []
sorted_pci = sorted(self.m_devices.keys())
for interface in input_interfaces:
dev = None
try:
interface = int(interface)
if interface < 0 or interface >= len(sorted_pci):
raise DpdkSetup('Index of an interfaces should be in range 0:%s' % (len(sorted_pci) - 1))
dev = self.m_devices[sorted_pci[interface]]
except ValueError:
for d in self.m_devices.values():
if interface in (d['Interface'], d['Slot'], d['Slot_str']):
dev = d
break
if not dev:
raise DpdkSetup('Could not find information about this interface: %s' % interface)
if dev in wanted_interfaces:
raise DpdkSetup('Interface %s is specified twice' % interface)
dev['Interface_argv'] = interface
wanted_interfaces.append(dev)
if get_macs:
unbound = []
dpdk_bound = []
for interface in wanted_interfaces:
if 'Driver_str' not in interface:
unbound.append(interface['Slot'])
elif interface.get('Driver_str') in dpdk_nic_bind.dpdk_drivers:
dpdk_bound.append(interface['Slot'])
if unbound or dpdk_bound:
for pci, info in dpdk_nic_bind.get_info_from_trex(unbound + dpdk_bound).items():
if pci not in self.m_devices:
raise DpdkSetup('Internal error: PCI %s is not found among devices' % pci)
self.m_devices[pci].update(info)
return wanted_interfaces
