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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Hi Qiming & dpdk dev team:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">This is Amy from Advantech, we have a question about I226 DPDK loopback pktgen, could you please give us some advice?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<pre><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">We bind the I226 devices with vfio-pci driver and execute the DPDK pktgen. However, the link speed of both I226 are only 1G, we expected the link seepd is 2.5G.<o:p></o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Do you have any suggestions? Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Testing procedure & result:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# modprobe uio<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# modprobe vfio-pci<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# echo 2048 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# mkdir -p /mnt/huge<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# mount -t hugetlbfs nodev /mnt/huge<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# dpdk-devbind.py -b vfio-pci 02:00.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# dpdk-devbind.py -b vfio-pci 03:00.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">root@FWA-1013-efi:~# pktgen --main-lcore 1 -c 0000001f -n 3 -a 02:00.0 -a 03:00.0 --socket-mem=512 --file-prefix=dpdk_pktgen -- -P -T --crc-strip -m '[0].0,[0].1'en
-- -P -T --crc-strip -m '[0].0,[0].1'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Copyright(c) <2010-2021>, Intel Corporation. All rights reserved. Powered by DPDK<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Detected CPU lcores: 8<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Detected NUMA nodes: 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Detected shared linkage of DPDK<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Multi-process socket /var/run/dpdk/dpdk_pktgen/mp_socket<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Selected IOVA mode 'VA'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: VFIO support initialized<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Using IOMMU type 1 (Type 1)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">[ 327.995182] vfio-pci 0000:02:00.0: vfio_ecap_init: hiding ecap 0x1f@0x1f0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">[ 328.003520] vfio-pci 0000:02:00.0: vfio_ecap_init: hiding ecap 0x1e@0x1e0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Probe PCI driver: net_igc (8086:125b) device: 0000:02:00.0 (socket 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">[ 328.275177] vfio-pci 0000:03:00.0: vfio_ecap_init: hiding ecap 0x1f@0x1f0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">[ 328.283404] vfio-pci 0000:03:00.0: vfio_ecap_init: hiding ecap 0x1e@0x1e0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">EAL: Probe PCI driver: net_igc (8086:125b) device: 0000:03:00.0 (socket 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">TELEMETRY: No legacy callbacks, legacy socket not created<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">>>> Strip CRC in hardware is the default<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">*** Copyright(c) <2010-2021>, Intel Corporation. All rights reserved.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">*** Pktgen created by: Keith Wiles -- >>> Powered by DPDK <<<<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Port: Name IfIndex Alias NUMA PCI<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"> 0: net_igc 0 0 8086:125b/02:00.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"> 1: net_igc 0 0 8086:125b/03:00.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Initialize Port 0 -- TxQ 1, RxQ 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Src MAC c4:00:ad:ed:8c:8c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><Promiscuous mode Enabled><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Initialize Port 1 -- TxQ 1, RxQ 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Src MAC c4:00:ad:ed:8c:8d<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><Promiscuous mode Enabled> <Promiscuous mode Enabled><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">WARNING: Nothing to do on lcore 2: exiting<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">WARNING: Nothing to do on lcore 3: exiting<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">WARNING: Nothing to do on lcore 4: exiting</span><span lang="EN-US"><img width="1395" height="810" style="width:14.5312in;height:8.4375in" id="_x5716__x7247__x0020_2" src="cid:image002.png@01D93C94.27BC0480"></span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">Amy Shih<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-family:"Times New Roman",serif;color:#262626">Advantech
</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">ICVG
</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:#262626">x86 Software</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black">02-2792-7818 Ext. 1249<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://campaign.advantech.online/en/Cloud-IoT/software/"><span style="font-family:"Times New Roman",serif;color:black;text-decoration:none"><img border="0" width="576" height="144" style="width:6.0in;height:1.5in" id="_x5716__x7247__x0020_1" src="cid:image001.jpg@01D93C91.741A37A0" alt="Server_iManager"></span></a></span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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