On Wed, 4 Dec 2013 16:39:05 +0100 Mats Liljegren <liljegren.mats2 at gmail.com> wrote:
> I played around with pcap to compare it against "pure" DPDK user-space > driver. I realized that interrupt affinity suddenly becomes important, > since it uses interrupts. So I needed a way to set it. > > The only place where I know which core will handle which pcap > interface, is within my DPDK application. But DPDK did not save the > host interface name anywhere, so it was nowhere to be found. > > I created a patch for this, found below. Is this something that could > be upstreamed? > > Best regards > Mats Liljegren interface name can be changed while application is running not sure if you want to cache it! Ifindex can't change. Also, if you use sysfs you can get/set irq_affinity based on PCI address.