As TCP and UDP use now directly vhost-user we don't need this function anymore. Other protocols (ICMP, ARP, DHCP, ...) use tap_send()/vu_send() Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Add vhost_user.c and vhost_user.h that define the functions needed to implement vhost-user backend. Signed-off-by: Laurent Vivier <lvivier@redhat.com>