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d314f586b3
Add a new QEMU netdev backend that is intended to invoke vhost_net with the vhost-user backend. It uses an Unix socket chardev to establish a communication with the 'slave' (client and server mode supported). At runtime the netdev will handle OPEN/CLOSE events from the chardev. Upon disconnection it will set link_down accordingly and notify virtio-net; the virtio-net interface will go down. Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>