diff options
Diffstat (limited to 'os_net_config/utils.py')
| -rw-r--r-- | os_net_config/utils.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/os_net_config/utils.py b/os_net_config/utils.py index b7a54bf..27e888d 100644 --- a/os_net_config/utils.py +++ b/os_net_config/utils.py @@ -238,6 +238,14 @@ def bind_dpdk_interfaces(ifname, driver, noop): except processutils.ProcessExecutionError: msg = "Failed to bind interface %s with dpdk" % ifname raise OvsDpdkBindException(msg) + else: + # Check if the pci address is already fetched and stored. + # If the pci address could not be fetched from dpdk_mapping.yaml + # raise OvsDpdkBindException, since the interface is neither + # available nor bound with dpdk. + if not get_stored_pci_address(ifname, noop): + msg = "Interface %s cannot be found" % ifname + raise OvsDpdkBindException(msg) else: logger.info('Interface %(name)s bound to DPDK driver %(driver)s ' 'using driverctl command' % @@ -264,6 +272,17 @@ def get_pci_address(ifname, noop): 'ethtool' % ifname) +def get_stored_pci_address(ifname, noop): + if not noop: + dpdk_map = _get_dpdk_map() + for dpdk_nic in dpdk_map: + if dpdk_nic['name'] == ifname: + return dpdk_nic['pci_address'] + else: + logger.info('Fetch the PCI address of the interface %s using ' + 'ethtool' % ifname) + + # Once the interface is bound to a DPDK driver, all the references to the # interface including '/sys' and '/proc', will be removed. And there is no # way to identify the nic name after it is bound. So, the DPDK bound nic info |