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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "x300_impl.hpp"
#include <uhdlib/rfnoc/device_id.hpp>
using namespace uhd::rfnoc;
using uhd::transport::link_type_t;
static uhd::usrp::io_service_args_t get_default_io_srv_args()
{
// TODO: Need better defaults, taking into account the link type and ensuring
// that the number of frames is appropriate
uhd::usrp::io_service_args_t args;
args.recv_offload = false;
args.send_offload = false;
return args;
}
x300_impl::x300_mb_iface::x300_mb_iface(uhd::usrp::x300::conn_manager::sptr conn_mgr,
const double radio_clk_freq,
const uhd::rfnoc::device_id_t remote_dev_id)
: _remote_dev_id(remote_dev_id)
, _bus_clk(std::make_shared<uhd::rfnoc::clock_iface>(
"bus_clk", uhd::usrp::x300::BUS_CLOCK_RATE, false))
, _radio_clk(
std::make_shared<uhd::rfnoc::clock_iface>("radio_clk", radio_clk_freq, false))
, _conn_mgr(conn_mgr)
{
UHD_ASSERT_THROW(_conn_mgr);
_bus_clk->set_running(true);
_radio_clk->set_running(true);
}
x300_impl::x300_mb_iface::~x300_mb_iface() = default;
uint16_t x300_impl::x300_mb_iface::get_proto_ver()
{
// TODO: Get from from a hardware register
return 0x0100;
}
uhd::rfnoc::chdr_w_t x300_impl::x300_mb_iface::get_chdr_w()
{
// TODO: Get from from a hardware register
return uhd::rfnoc::CHDR_W_64;
}
uhd::endianness_t x300_impl::x300_mb_iface::get_endianness(
const uhd::rfnoc::device_id_t /*local_device_id*/)
{
// FIXME
return uhd::ENDIANNESS_LITTLE;
}
uhd::rfnoc::device_id_t x300_impl::x300_mb_iface::get_remote_device_id()
{
return _remote_dev_id;
}
std::vector<uhd::rfnoc::device_id_t> x300_impl::x300_mb_iface::get_local_device_ids()
{
return _conn_mgr->get_local_device_ids();
}
uhd::transport::adapter_id_t x300_impl::x300_mb_iface::get_adapter_id(
const uhd::rfnoc::device_id_t local_device_id)
{
return _adapter_map[local_device_id];
}
void x300_impl::x300_mb_iface::reset_network()
{
// FIXME
}
uhd::rfnoc::clock_iface::sptr x300_impl::x300_mb_iface::get_clock_iface(
const std::string& clock_name)
{
if (clock_name == "radio_clk") {
return _radio_clk;
}
if (clock_name == "bus_clk") {
return _bus_clk;
}
UHD_LOG_ERROR("X300", "Invalid timebase clock name: " + clock_name);
throw uhd::key_error("[X300] Invalid timebase clock name: " + clock_name);
}
uhd::rfnoc::chdr_ctrl_xport::sptr x300_impl::x300_mb_iface::make_ctrl_transport(
uhd::rfnoc::device_id_t local_device_id, const uhd::rfnoc::sep_id_t& local_epid)
{
using namespace uhd::transport;
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
bool lossy_xport;
std::tie(send_link, std::ignore, recv_link, std::ignore, lossy_xport) =
_conn_mgr->get_links(link_type_t::CTRL,
local_device_id,
local_epid,
uhd::rfnoc::sep_id_t(),
uhd::device_addr_t());
/* Associate local device ID with the adapter */
_adapter_map[local_device_id] = send_link->get_send_adapter_id();
auto io_srv =
get_io_srv_mgr()->connect_links(recv_link, send_link, link_type_t::CTRL);
auto xport = chdr_ctrl_xport::make(io_srv,
send_link,
recv_link,
_pkt_factory,
local_epid,
send_link->get_num_send_frames(),
recv_link->get_num_recv_frames());
return xport;
}
uhd::rfnoc::chdr_rx_data_xport::uptr x300_impl::x300_mb_iface::make_rx_data_transport(
uhd::rfnoc::mgmt::mgmt_portal& mgmt_portal,
const uhd::rfnoc::sep_addr_pair_t& addrs,
const uhd::rfnoc::sep_id_pair_t& epids,
const uhd::rfnoc::sw_buff_t pyld_buff_fmt,
const uhd::rfnoc::sw_buff_t mdata_buff_fmt,
const uhd::device_addr_t& xport_args,
const std::string& streamer_id)
{
using namespace uhd::transport;
const uhd::rfnoc::sep_addr_t local_sep_addr = addrs.second;
const uhd::rfnoc::sep_id_t remote_epid = epids.first;
const uhd::rfnoc::sep_id_t local_epid = epids.second;
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
size_t recv_buff_size;
bool lossy_xport;
std::tie(send_link, std::ignore, recv_link, recv_buff_size, lossy_xport) =
_conn_mgr->get_links(link_type_t::RX_DATA,
local_sep_addr.first,
local_epid,
remote_epid,
xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
// TODO: configure this based on the transport type
const uhd::rfnoc::stream_buff_params_t recv_capacity = {
recv_buff_size, uhd::rfnoc::MAX_FC_CAPACITY_PKTS};
const double ratio = 1.0 / 32;
// Configure flow control frequency to use bytes only for UDP
uhd::rfnoc::stream_buff_params_t fc_freq = {
static_cast<uint64_t>(std::ceil(double(recv_buff_size) * ratio)),
uhd::rfnoc::MAX_FC_FREQ_PKTS};
uhd::rfnoc::stream_buff_params_t fc_headroom = {0, 0};
auto cfg_io_srv =
get_io_srv_mgr()->connect_links(recv_link, send_link, link_type_t::CTRL);
auto fc_params = uhd::rfnoc::chdr_rx_data_xport::configure_sep(cfg_io_srv,
recv_link,
send_link,
_pkt_factory,
mgmt_portal,
epids,
pyld_buff_fmt,
mdata_buff_fmt,
recv_capacity,
fc_freq,
fc_headroom,
lossy_xport);
get_io_srv_mgr()->disconnect_links(recv_link, send_link);
cfg_io_srv.reset();
// Connect the links to an I/O service
auto io_srv = get_io_srv_mgr()->connect_links(recv_link,
send_link,
link_type_t::RX_DATA,
get_default_io_srv_args(),
xport_args,
streamer_id);
// Create the data transport
auto rx_xport = std::make_unique<uhd::rfnoc::chdr_rx_data_xport>(io_srv,
recv_link,
send_link,
_pkt_factory,
epids,
recv_link->get_num_recv_frames(),
fc_params);
return rx_xport;
}
uhd::rfnoc::chdr_tx_data_xport::uptr x300_impl::x300_mb_iface::make_tx_data_transport(
uhd::rfnoc::mgmt::mgmt_portal& mgmt_portal,
const uhd::rfnoc::sep_addr_pair_t& addrs,
const uhd::rfnoc::sep_id_pair_t& epids,
const uhd::rfnoc::sw_buff_t pyld_buff_fmt,
const uhd::rfnoc::sw_buff_t mdata_buff_fmt,
const uhd::device_addr_t& xport_args,
const std::string& streamer_id)
{
using namespace uhd::transport;
const uhd::rfnoc::sep_addr_t local_sep_addr = addrs.first;
const uhd::rfnoc::sep_id_t remote_epid = epids.second;
const uhd::rfnoc::sep_id_t local_epid = epids.first;
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
bool lossy_xport;
std::tie(send_link, std::ignore, recv_link, std::ignore, lossy_xport) =
_conn_mgr->get_links(link_type_t::TX_DATA,
local_sep_addr.first,
local_epid,
remote_epid,
xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
// TODO: configure this based on the transport type
const double fc_freq_ratio = 1.0 / 8;
const double fc_headroom_ratio = 0;
auto cfg_io_srv =
get_io_srv_mgr()->connect_links(recv_link, send_link, link_type_t::CTRL);
const auto buff_capacity = chdr_tx_data_xport::configure_sep(cfg_io_srv,
recv_link,
send_link,
_pkt_factory,
mgmt_portal,
epids,
pyld_buff_fmt,
mdata_buff_fmt,
fc_freq_ratio,
fc_headroom_ratio);
get_io_srv_mgr()->disconnect_links(recv_link, send_link);
cfg_io_srv.reset();
// Connect the links to an I/O service
auto io_srv = get_io_srv_mgr()->connect_links(recv_link,
send_link,
link_type_t::TX_DATA,
get_default_io_srv_args(),
xport_args,
streamer_id);
// Create the data transport
auto tx_xport = std::make_unique<chdr_tx_data_xport>(io_srv,
recv_link,
send_link,
_pkt_factory,
epids,
send_link->get_num_send_frames(),
buff_capacity);
return tx_xport;
}
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