Does KVM virtio-net support multiple interrupt queues?

Solution Verified - Updated -

Issue

  • Does KVM virtio-net support multiple interrupt queues?
  • How can I enable multiple TX queues in virtio TX path. This allows a single guest to transmit multiple flows of network data using multiple CPUs simultaneously via multiple TX queues in virtio-net/vhost-net/macvtap.
  • Does the virtio-net driver support RPS (Receive Packet Steering) and XPS (Transmit Packet Steering)?
  • http://www.linux-kvm.org/page/Multiqueue
  • What is the current status of: https://blueprints.launchpad.net/nova/+spec/libvirt-virtio-net-multiqueue

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat OpenStack Platform
  • KVM virtualization
  • virtio-net network interface

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