On 10/26/2017 09:38 AM, Ashish Kurian wrote: > Hi Yalan, > > In the previous email you mentioned "tx_queue_size='512' will not work in > the guest with direct type interface, in fact, no matter what you set, it > will not work and guest will get the default '256'. " > > So if I am using macvtap for my interfaces, then the device type will > always be direct type. Does it mean that there is no way I can increase the > buffer size with the macvtap interfaces? > Correct. However, this is limitation of qemu. You should talk to them to find out if there are plans to extend the implementation. BTW: rx_queue_size should work with any backend as long as the model is virtio (obviously). Michal _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users