On Thu, Jan 26, 2023 at 12:46 PM Ruslan R. Laishev <zator@yandex.ru> wrote:Hello!Continue studying DPDK ...I have a some nano-task : I'm need to send a packet/mbuf to queue of a device from separate worker .Several workers (every worker run on own lcore) send/receive packets to/from queues of devicesworker #0 ------- port0/que0- port1/que0- portN/que0worker #1 ------- port0/que1- port1/que1- portN/que1...worker #N ------- port0/queN- port1/queN- portN/queNThere is a yet another thread which want to send mbuf/packet to queue #0 (just for example) to every deviceRegards.The worker threads will need to try to dequeue regularly for the shared ring(s).However, you can achieve the same, sending mbufs between the worker threads, using the provided ring functionality of DPDK - http://doc.dpdk.org/guides/prog_guide/ring_lib.html.Hi,I don't think you can inject packets into the device queues.