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//
// Copyright 2017 Ettus Research, a National Instruments Company
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_MPMD_XPORT_CTRL_BASE_HPP
#define INCLUDED_MPMD_XPORT_CTRL_BASE_HPP
#include "mpmd_link_if_mgr.hpp"
#include <uhd/types/device_addr.hpp>
#include <uhdlib/rfnoc/chdr_packet_writer.hpp>
#include <uhdlib/transport/links.hpp>
#include <memory>
namespace uhd { namespace mpmd { namespace xport {
/*! Transport manager implementation base
*/
class mpmd_link_if_ctrl_base
{
public:
using uptr = std::unique_ptr<mpmd_link_if_ctrl_base>;
virtual ~mpmd_link_if_ctrl_base() {}
virtual size_t get_num_links() const = 0;
/*! Return links object
*
* \param link_idx The number of the link to use. link_idx < get_num_links()
* must hold true. link_idx is often 0. Example: When
* the underlying transport is Ethernet, and the user
* specified both addr and second_addr, then get_num_links()
* equals 2 and link_idx can also be 1.
* \param link_type CTRL, RX_DATA, or TX_DATA (for configuring the link)
* \param link_args Link-specific additional information that the underlying
* mpmd_link_if_ctrl instantiation can use
*/
virtual uhd::transport::both_links_t get_link(const size_t link_idx,
const uhd::transport::link_type_t link_type,
const uhd::device_addr_t& link_args) = 0;
//! Return the underlying link's MTU in bytes
virtual size_t get_mtu(const uhd::direction_t dir) const = 0;
//! Return the rate of the underlying link in bytes/sec
virtual double get_link_rate(const size_t link_idx) const = 0;
//! Get the packet factory associated with this link
virtual const uhd::rfnoc::chdr::chdr_packet_factory& get_packet_factory() const = 0;
};
}}} /* namespace uhd::mpmd::xport */
#endif /* INCLUDED_MPMD_XPORT_CTRL_BASE_HPP */
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