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Date: Tue, 12 Jun 2007 15:00:35 -0700 (PDT) From: David Miller <davem@...emloft.net> To: rdreier@...co.com Cc: jeff@...zik.org, greearb@...delatech.com, netdev@...r.kernel.org, kaber@...sh.net, hadi@...erus.ca, peter.p.waskiewicz.jr@...el.com, auke-jan.h.kok@...el.com Subject: Re: [PATCH] NET: Multiqueue network device support. From: Roland Dreier <rdreier@...co.com> Date: Tue, 12 Jun 2007 14:52:11 -0700 > I think you're misunderstanding. These NICs still have only one > physical port, so sending or receiving real packets onto a physical > wire is fundamentally serialized. The steering of packets to receive > queues is done right after the packets are received from the wire -- > in fact it can be done as soon as the NIC has parsed enough of the > headers to make a decision, which might be before the full packet has > even been received. The steering is no more of a bottleneck than the > physical link is. Yep, that's right. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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