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//
// Copyright 2017 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_MPMD_XPORT_ctrl_liberio_HPP
#define INCLUDED_MPMD_XPORT_ctrl_liberio_HPP
#include "../device3/device3_impl.hpp"
#include "mpmd_xport_ctrl_base.hpp"
#include <uhd/transport/muxed_zero_copy_if.hpp>
#include <uhd/types/device_addr.hpp>
namespace uhd { namespace mpmd { namespace xport {
/*! Liberio transport manager
*/
class mpmd_xport_ctrl_liberio : public mpmd_xport_ctrl_base
{
public:
mpmd_xport_ctrl_liberio(const uhd::device_addr_t& mb_args);
/*! Open DMA interface to kernel (and thus to FPGA DMA engine)
*/
both_xports_t make_transport(mpmd_xport_mgr::xport_info_t& xport_info,
const usrp::device3_impl::xport_type_t xport_type,
const uhd::device_addr_t& xport_args);
bool is_valid(const mpmd_xport_mgr::xport_info_t& xport_info) const;
size_t get_mtu(const uhd::direction_t dir) const;
private:
/*! Create a muxed liberio transport for control packets */
uhd::transport::muxed_zero_copy_if::sptr make_muxed_liberio_xport(
const std::string& tx_dev,
const std::string& rx_dev,
const uhd::transport::zero_copy_xport_params& buff_args,
const size_t max_muxed_ports);
const uhd::device_addr_t _mb_args;
const uhd::dict<std::string, std::string> _recv_args;
const uhd::dict<std::string, std::string> _send_args;
//! Control transport for one liberio connection
uhd::transport::muxed_zero_copy_if::sptr _ctrl_dma_xport;
//! Control transport for one liberio connection
uhd::transport::muxed_zero_copy_if::sptr _async_msg_dma_xport;
};
}}} /* namespace uhd::mpmd::xport */
#endif /* INCLUDED_MPMD_XPORT_ctrl_liberio_HPP */
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