diff options
Diffstat (limited to 'scripts/dpdk_setup_ports.py')
| -rwxr-xr-x | scripts/dpdk_setup_ports.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/scripts/dpdk_setup_ports.py b/scripts/dpdk_setup_ports.py index d3b65c5b..2f06b78f 100755 --- a/scripts/dpdk_setup_ports.py +++ b/scripts/dpdk_setup_ports.py @@ -291,6 +291,32 @@ Other network devices self.write_pci (pci_id,68,val) assert(self.read_pci (pci_id,68)==val); + def get_mtu_mlx5 (self,dev_id): + if len(dev_id)>0: + out=subprocess.check_output(['ifconfig', dev_id]) + out=out.decode(errors='replace'); + obj=re.search(r'MTU:(\d+)',out,flags=re.MULTILINE|re.DOTALL); + if obj: + return int(obj.group(1)); + else: + return -1 + + def set_mtu_mlx5 (self,dev_id,new_mtu): + if len(dev_id)>0: + out=subprocess.check_output(['ifconfig', dev_id,'mtu',str(new_mtu)]) + out=out.decode(errors='replace'); + + + def set_max_mtu_mlx5_device(self,dev_id): + mtu=9*1024+22 + dev_mtu=self.get_mtu_mlx5 (dev_id); + if (dev_mtu>0) and (dev_mtu!=mtu): + self.set_mtu_mlx5(dev_id,mtu); + if self.get_mtu_mlx5(dev_id) != mtu: + print("Could not set MTU to %d" % mtu) + exit(-1); + + def disable_flow_control_mlx5_device (self,dev_id): if len(dev_id)>0: @@ -440,6 +466,7 @@ Other network devices if 'Interface' in self.m_devices[key]: dev_id=self.m_devices[key]['Interface'] self.disable_flow_control_mlx5_device (dev_id) + self.set_max_mtu_mlx5_device(dev_id) if only_check_all_mlx: |