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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_LIBUHD_RFNOC_CHDR_CTRL_ENDPOINT_HPP
#define INCLUDED_LIBUHD_RFNOC_CHDR_CTRL_ENDPOINT_HPP
#include <uhdlib/rfnoc/chdr_ctrl_xport.hpp>
#include <uhdlib/rfnoc/chdr_packet.hpp>
#include <uhdlib/rfnoc/ctrlport_endpoint.hpp>
#include <functional>
#include <memory>
namespace uhd { namespace rfnoc {
/*! A software interface that represents a CHDR control endpoint
*
* The endpoint is capable of sending/receiving CHDR packets
* and creating multiple ctrlport_endpoint interfaces
*/
class chdr_ctrl_endpoint
{
public:
using uptr = std::unique_ptr<chdr_ctrl_endpoint>;
virtual ~chdr_ctrl_endpoint() = 0;
//! Creates a new register interface for the specified port
//
// \param port The port number on the control crossbar
// \param buff_capacity The buffer capacity of the downstream buff in 32-bit words
// \param max_outstanding_async_msgs Max outstanding async messages allowed
// \param ctrl_clk_freq Frequency of the clock driving the ctrlport logic
// \param timebase_freq Frequency of the timebase (for timed commands)
//
virtual ctrlport_endpoint::sptr get_ctrlport_ep(sep_id_t dst_epid,
uint16_t dst_port,
size_t buff_capacity,
size_t max_outstanding_async_msgs,
const clock_iface& client_clk,
const clock_iface& timebase_clk) = 0;
//! Returns the number of dropped packets due to misclassification
virtual size_t get_num_drops() const = 0;
//! Creates a control endpoint object
//
// \param xport The transport used to send and recv packets
// \param pkt_factor An instance of the CHDR packet factory
// \param my_epid The endpoint ID of this software endpoint
//
static uptr make(chdr_ctrl_xport::sptr xport,
const chdr::chdr_packet_factory& pkt_factory,
sep_id_t my_epid);
}; // class chdr_ctrl_endpoint
}} /* namespace uhd::rfnoc */
#endif /* INCLUDED_LIBUHD_RFNOC_CHDR_CTRL_ENDPOINT_HPP */
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