Re: [libvirt] [PATCH v2] qemu: handle multicast overflow on macvtap NIC_RX_FILTER_CHANGED

2018-12-03 Thread Michael S. Tsirkin
On Mon, Dec 03, 2018 at 01:52:45PM +0100, Michal Privoznik wrote: > On 11/30/18 6:50 PM, Jason Baron wrote: > > Guest network devices can set 'overflow' when there are a number of > > multicast > > ips configured. For virtio_net, the limit is only 64. In this case, the list > > of mac addresses

Re: [libvirt] [PATCH v2] qemu: handle multicast overflow on macvtap NIC_RX_FILTER_CHANGED

2018-12-03 Thread Michal Privoznik
On 12/3/18 1:52 PM, Michal Privoznik wrote: > On 11/30/18 6:50 PM, Jason Baron wrote: >> Guest network devices can set 'overflow' when there are a number of multicast >> ips configured. For virtio_net, the limit is only 64. In this case, the list >> of mac addresses is empty and the 'overflow'

Re: [libvirt] [PATCH v2] qemu: handle multicast overflow on macvtap NIC_RX_FILTER_CHANGED

2018-12-03 Thread Michal Privoznik
On 11/30/18 6:50 PM, Jason Baron wrote: > Guest network devices can set 'overflow' when there are a number of multicast > ips configured. For virtio_net, the limit is only 64. In this case, the list > of mac addresses is empty and the 'overflow' condition is set. Thus, the guest > will currently

Re: [libvirt] [PATCH v2] qemu: handle multicast overflow on macvtap NIC_RX_FILTER_CHANGED

2018-11-30 Thread Michael S. Tsirkin
On Fri, Nov 30, 2018 at 12:50:26PM -0500, Jason Baron wrote: > Guest network devices can set 'overflow' when there are a number of multicast > ips configured. For virtio_net, the limit is only 64. In this case, the list > of mac addresses is empty and the 'overflow' condition is set. Thus, the

[libvirt] [PATCH v2] qemu: handle multicast overflow on macvtap NIC_RX_FILTER_CHANGED

2018-11-30 Thread Jason Baron
Guest network devices can set 'overflow' when there are a number of multicast ips configured. For virtio_net, the limit is only 64. In this case, the list of mac addresses is empty and the 'overflow' condition is set. Thus, the guest will currently receive no multicast traffic in this state. When