Hi all, I am new to OVS-DPDK and trying to figure out the mechanism of vhost-user multiqueue scenario. I understand that the PMD thread is created for polling the queues of vhost-user or physical NIC and the affinity bind PMD to queues. However, the PMD transmission side confused me, I would like to learn PMD thread mechanism and how it distributes traffic to different queues.
Let's consider this scenario: one PMD thread is responsible for two queues of one vhost-user, when packet destined to the vhost-user, how it decide which queue to trasmit? is there equivalence to RSS? ========= |Rx Queue0| Traffic ==>PMD thread ==> ==>Virtio Frontend in VM |Rx Queue1| ========= Thanks in advance Best Regards, Hui
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