On Thu, 21 Feb 2019 at 15:08, Flavio Leitner <[email protected]> wrote:
> On Thu, Feb 21, 2019 at 02:58:16PM +0100, Riccardo Ravaioli wrote: > I see that the command "ovs-ofctl show $bridge" reports this. I'm just not > > sure if the VM needs to be told explicitly (in which case, the command > > "ovs-ofctl mod-port $switch $port up/down" doesn't seem to work) or > instead > > it has all the necessary means to know this through the DPDK library. > > What exactly you're trying to do? The host networking could be seen as > the network infra outside of the host and in this case the VM link is > actually the vhost port which is up & running. > Right. I know this is quite unorthodox, but I'm trying to see if I can propagate the link state of a physical interface to a virtual machine. With a regular network interface and a virtio interface on the VM, I can listen on a netlink socket for RTM_NEWLINK messages (on the host) and then run "virsh domif-setlink $domain $interface up/down": inside the virtual machine, the link state will change accordingly. I was wondering if in the case of DPDK + vhostuser I can do something similar. Thanks! Riccardo
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