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Date: Mon, 13 Sep 2010 19:00:51 +0200 From: Avi Kivity <avi@...hat.com> To: "Michael S. Tsirkin" <mst@...hat.com> CC: Anthony Liguori <anthony@...emonkey.ws>, Krishna Kumar2 <krkumar2@...ibm.com>, davem@...emloft.net, kvm@...r.kernel.org, netdev@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au> Subject: Re: [RFC PATCH 1/4] Add a new API to virtio-pci On 09/13/2010 06:30 PM, Michael S. Tsirkin wrote: > Trouble is, each vhost-net device is associated with 1 tun/tap > device which means that each vhost-net device is associated with a > transmit and receive queue. > > I don't know if you'll always have an equal number of transmit and > receive queues but there's certainly challenge in terms of > flexibility with this model. > > Regards, > > Anthony Liguori > Not really, TX and RX can be mapped to different devices, > or you can only map one of these. What is the trouble? Suppose you have one multiqueue-capable ethernet card. How can you connect it to multiple rx/tx queues? tx is in principle doable, but what about rx? What does "only map one of these" mean? Connect the device with one queue (presumably rx), and terminate the others? Will packet classification work (does the current multiqueue proposal support it)? -- error compiling committee.c: too many arguments to function -- 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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