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<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">To correlate between PCI device and net device in linux you can inspect sysfs:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span style="color:#1F497D"># ls -l /sys/bus/pci/devices/<PCI_DEVICE_ADDRESS>/net<o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">To correlate between net device and PCI device:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span style="color:#1F497D"># ls -l /sys/class/net/<NET_DEVICE>/device<o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">a Virtual PCI function (VF) will have a pointer to its Physical function (PF)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span style="color:#1F497D">/sys/bus/pci/devices/<PCI_DEVICE_ADDRESS/physfn<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:#1F497D"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><span style="color:#1F497D">If the file doesn’t exist you can assume it’s a PF.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> Adrian.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Manuel Sopena Ballesteros <manuel.sb@garvan.org.au>
<br>
<b>Sent:</b> Thursday, February 21, 2019 8:06 AM<br>
<b>To:</b> openstack@lists.openstack.org<br>
<b>Subject:</b> how to find the interfaces to exclude in SR-IOV?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I would like to exclude a couple of VFs from the neutron SR-IOV configuration…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">According to documentation <a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.openstack.org%2Fneutron%2Flatest%2Fadmin%2Fconfig-sriov%23enable-neutron-sriov-nic-agent-compute&data=02%7C01%7Cadrianc%40mellanox.com%7Cc7f67c1a30c04a15f0f908d697c2ab50%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C636863259686401762&sdata=%2B0Pi9sixbWhGkfbRgEMJX02Lb1ipnbvvZcRpk3UpZFA%3D&reserved=0">
https://docs.openstack.org/neutron/latest/admin/config-sriov#enable-neutron-sriov-nic-agent-compute</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:solid #CCCCCC 1.0pt;padding:15.0pt 23.0pt 15.0pt 23.0pt">
<p class="MsoNormal" style="margin-bottom:7.5pt;background:#333333;word-break:break-all">
<span style="font-size:10.0pt;font-family:Consolas;color:#BBBBBB">exclude_devices</span><span style="font-size:10.0pt;font-family:Consolas;color:white">
</span><span style="font-size:10.0pt;font-family:Consolas;color:#D0D0D0">=</span><span style="font-size:10.0pt;font-family:Consolas;color:white">
</span><span style="font-size:10.0pt;font-family:Consolas;color:#ED9D13">eth1:0000:07:00.2;0000:07:00.3,eth2:0000:05:00.1;0000:05:00.2</span><span style="font-size:10.0pt;font-family:Consolas;color:white"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is my configuration<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:Consolas">[root@zeus-59 ~]# ibdev2netdev -v<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.0 mlx5_0 (MT4117 - MT1611X10113) CX4121A - ConnectX-4 LX SFP28 fw 14.24.1000 port 1 (ACTIVE) ==> bond0 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.1 mlx5_1 (MT4117 - MT1611X10113) CX4121A - ConnectX-4 LX SFP28 fw 14.24.1000 port 1 (ACTIVE) ==> bond0 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.2 mlx5_10 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f2 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.3 mlx5_11 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f3 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.4 mlx5_12 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f4 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.5 mlx5_13 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f5 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.6 mlx5_14 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f6 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.7 mlx5_15 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f7 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:02.0 mlx5_16 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s2 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:02.1 mlx5_17 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s2f1 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.2 mlx5_2 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f2 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.3 mlx5_3 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f3 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.4 mlx5_4 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f4 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.5 mlx5_5 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f5 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.6 mlx5_6 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f6 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:00.7 mlx5_7 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> ens2f7 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.0 mlx5_8 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">0000:88:01.1 mlx5_9 (MT4118 - NA) fw 14.24.1000 port 1 (ACTIVE) ==> enp136s1f1 (Up)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">ens2f2 (0000:88:00.2) and ens2f3 (0000:88:00.3) are part of bond0 which I want to assign to OVS.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">I would like to do something like:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">exclude_devices = <ethX>:0000:88:00.2,<ethY>0000:88:00.3<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal">How can I find out ethX and ethY? Are they PFs?<o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:Consolas">Thank you very much<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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