<div dir="ltr"><div dir="ltr"></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 26, 2023 at 12:46 PM Ruslan R. Laishev <<a href="mailto:zator@yandex.ru">zator@yandex.ru</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><span style="font-family:"georgia",serif">Hello!</span></div><div> </div><div><span style="font-family:"georgia",serif">Continue studying DPDK ...</span></div><div> </div><div><span style="font-family:"georgia",serif">I have a some nano-task : I'm need to send a packet/mbuf to queue of a device from separate worker .</span></div><div> </div><div><span style="font-family:"georgia",serif">Several workers (every worker run on own lcore) send/receive packets to/from queues of devices</span></div><div><span style="font-family:"georgia",serif">worker #0 ------- port0/que0</span></div><div><div><span style="font-family:"georgia",serif">                        - port1/que0</span></div><div><div><span style="font-family:"georgia",serif">                        - portN/que0</span></div></div></div><div><span style="font-family:"georgia",serif">worker #1 ------- port0/que1           </span></div><div><div><div><span style="font-family:"georgia",serif">                        - port1/que1</span></div><div><div><span style="font-family:"georgia",serif">                        - portN/que1</span></div></div></div><div><span style="font-family:"georgia",serif">...</span></div></div><div><div><span style="font-family:"georgia",serif">worker #N ------- port0/queN   </span></div><div><span style="font-family:"georgia",serif">                        - port1/queN</span></div><div><div><div><div><span style="font-family:"georgia",serif">                        - portN/queN</span></div></div></div><div><br></div></div></div><div><span style="font-family:"georgia",serif">There is a yet another thread which want to send mbuf/packet to queue #0 (just for example) to every device</span></div></blockquote><div><br></div><div><div><div><div><div><div>Hi,<br><br></div>I don't think you can inject packets into the device queues.<br></div><br></div>However, you can achieve the same, sending mbufs between the worker threads, using the provided ring functionality of DPDK - <a href="http://doc.dpdk.org/guides/prog_guide/ring_lib.html.">http://doc.dpdk.org/guides/prog_guide/ring_lib.html.<br></a></div>The worker threads will need to try to dequeue regularly for the shared ring(s).<br><br></div>Regards. <br></div></div></div>