}
int tnl_port_build_header(const struct ofport_dpif *ofport,
const struct flow *tnl_flow,
const struct eth_addr dmac,
const struct eth_addr smac,
}
int tnl_port_build_header(const struct ofport_dpif *ofport,
const struct flow *tnl_flow,
const struct eth_addr dmac,
const struct eth_addr smac,