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<p class="MsoNormal">Does your traffic have multiple 5 tuple flows to distribute it across multiple Rx queues?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Adel Belkhiri <adel.belkhiri@gmail.com> <br>
<b>Sent:</b> Tuesday, June 7, 2022 7:29 PM<br>
<b>To:</b> users@dpdk.org<br>
<b>Subject:</b> Problem configuring vhost-user NICs with multi queues (RSS) support<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:black">Hi all,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">I have a problem with the configuration of the sample application l3fdw for switching traffic between two vhost-user NICs, each with 4 queues. The traffic was generated using TREX, running inside a VM. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">When I traced my experiment, I noticed that the traffic was only received in queue "0", while the other RX queues were empty. When I run the application, a msg is printed "Port 1 modified RSS hash function based
on hardware support,requested:0xa38c configured:0". <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">It seems that while the vhost-user NIC implementation supports multiple queues, it does not support distributing the traffic between the RX queues. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">I wonder if there is a way to make it work?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Thank you,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">PS: <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">- DPDK version: 19.08<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">- Qemu version: 4.2.1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Adele<o:p></o:p></span></p>
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