I40E_TX_FLAGS_UDP_TUNNEL
hdr.network = (tx_flags & I40E_TX_FLAGS_UDP_TUNNEL) ?
if (!(tx_flags & I40E_TX_FLAGS_UDP_TUNNEL))
*tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL;
*tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL;
*tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL;