func (r *Match) SetInPort(port openflow.InPort) {
r.inPort = uint16(port.Value())
r.wildcards.InPort = false
}
func (r *Match) SetInPort(port openflow.InPort) {
r.mutex.Lock()
defer r.mutex.Unlock()
r.m[OFPXMT_OFB_IN_PORT] = uint32(port.Value())
}