So what exactly is your complaint? That a higher end chipset has more features than a low-end chipset?
Jeff On 10/26/18, 7:13 AM, "Lev Serebryakov" <owner-freebsd-...@freebsd.org on behalf of l...@freebsd.org> wrote: On 26.10.2018 15:30, Lev Serebryakov wrote: > I have "router" with two em (82574L) NICs. It has dual-core CPU and > each NIC creates two receive and two transmit queues: > > $ sysctl dev.em | grep queue | grep _irq > dev.em.1.queue_rx_1.rx_irq: 0 > dev.em.1.queue_rx_0.rx_irq: 0 > dev.em.1.queue_tx_1.tx_irq: 0 > dev.em.1.queue_tx_0.tx_irq: 0 > dev.em.0.queue_rx_1.rx_irq: 0 > dev.em.0.queue_rx_0.rx_irq: 0 > dev.em.0.queue_tx_1.tx_irq: 0 > dev.em.0.queue_tx_0.tx_irq: 0 > $ > > When I pass, say, 64 UDP streams through this router, only one core is > 100% loaded and other is 100% idle. These streams are for same IP pair, > but port pairs are all different. > > What are right conditions to spread such traffic per queues and cores? Ok, 82574L is "low end" chip, it supports only IP and IP+TCP checksums. 82576EB supports IP+UDP too. Intel, what is wrong with you?! -- // Lev Serebryakov _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"