On Mon, Aug 28, 2023 at 10:07 AM Carlos de Souza Moraes Neto <[email protected]> wrote: > I'm attempting to utilize virtio_user for packet transmission and reception > via the kernel's network stack. I transmitted packets from a NIC to > virtio_user0 and captured them on the tap0 interface. However, when trying to > send a packet from tap0 (for instance, a basic ping) and route it to DPDK, > the function rte_eth_rx_burst returns zero packets. My initialization is set > as follows: > -l 0-4 > --vdev=virtio_user0,path=/dev/vhost-net,queues=3,queue_size=1024.
Just an idea. If you ask for 3 queue pairs, your application must poll packets from all 3 rxqs, as the kernel may choose to send packets through any of those queues. Are you perhaps only polling one rxq? -- David Marchand
