Filter-mirror is a netfilter plugin.
It gives qemu the ability to mirror
packets to a chardev.

usage:

-netdev tap,id=hn0
-chardev socket,id=mirror0,host=ip_primary,port=X,server,nowait
-filter-mirror,id=m0,netdev=hn0,queue=tx/rx/all,outdev=mirror0
Signed-off-by: NZhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: NWen Congyang <wency@cn.fujitsu.com>
Reviewed-by: NYang Hongyang <hongyang.yang@easystack.cn>
Reviewed-by: Nzhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: NJason Wang <jasowang@redhat.com>