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//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_X300_DEFAULTS_HPP
#define INCLUDED_X300_DEFAULTS_HPP
#include <uhd/transport/udp_simple.hpp> //mtu
#include "../device3/device3_impl.hpp"
#include <string>
namespace uhd {
namespace usrp {
namespace x300 {
static constexpr size_t NIUSRPRIO_DEFAULT_RPC_PORT = 5444;
static constexpr uint32_t RADIO_DEST_PREFIX_TX = 0;
static constexpr size_t XB_DST_E0 = 0;
static constexpr size_t XB_DST_E1 = 1;
static constexpr size_t XB_DST_PCI = 2;
static constexpr size_t XB_DST_R0 = 3; // Radio 0 -> Slot A
static constexpr size_t XB_DST_R1 = 4; // Radio 1 -> Slot B
static constexpr size_t XB_DST_CE0 = 5;
static constexpr size_t SRC_ADDR0 = 0;
static constexpr size_t SRC_ADDR1 = 1;
static constexpr size_t DST_ADDR = 2;
static constexpr double DEFAULT_TICK_RATE = 200e6; // Hz
static constexpr double BUS_CLOCK_RATE = 187.5e6; //Hz
static const std::vector<double> TICK_RATE_OPTIONS{120e6, 184.32e6, 200e6};
static const std::string FW_FILE_NAME = "usrp_x300_fw.bin";
// Clock & Time-related defaults
static const std::string DEFAULT_CLOCK_SOURCE = "internal";
static const std::string DEFAULT_TIME_SOURCE = "internal";
static const bool DEFAULT_TIME_OUTPUT = true;
static const std::vector<std::string> CLOCK_SOURCE_OPTIONS{
"internal",
"external",
"gpsdo"
};
static const std::vector<std::string> TIME_SOURCE_OPTIONS{
"internal",
"external",
"gpsdo"
};
static const std::vector<double> EXTERNAL_FREQ_OPTIONS{10e6, 30.72e6, 200e6};
static constexpr size_t RX_SW_BUFF_SIZE_ETH = 0x2000000;//32MiB For an ~8k frame size any size >32MiB is just wasted buffer space
static constexpr size_t RX_SW_BUFF_SIZE_ETH_MACOS = 0x100000; //1Mib
//The FIFO closest to the DMA controller is 1023 elements deep for RX and 1029 elements deep for TX
//where an element is 8 bytes. The buffers (number of frames * frame size) must be aligned to the
//memory page size. For the control, we are getting lucky because 64 frames * 256 bytes each aligns
//with the typical page size of 4096 bytes. Since most page sizes are 4096 bytes or some multiple of
//that, keep the number of frames * frame size aligned to it.
static constexpr size_t PCIE_RX_DATA_FRAME_SIZE = 4096; //bytes
static constexpr size_t PCIE_RX_DATA_NUM_FRAMES = 4096;
static constexpr size_t PCIE_TX_DATA_FRAME_SIZE = 4096; //bytes
static constexpr size_t PCIE_TX_DATA_NUM_FRAMES = 4096;
static constexpr size_t PCIE_MSG_FRAME_SIZE = 256; //bytes
static constexpr size_t PCIE_MSG_NUM_FRAMES = 64;
static constexpr size_t PCIE_MAX_CHANNELS = 6;
static constexpr size_t PCIE_MAX_MUXED_CTRL_XPORTS = 32;
static constexpr size_t PCIE_MAX_MUXED_ASYNC_XPORTS = 4;
static const size_t DATA_FRAME_MAX_SIZE = 8000; // CHDR packet size in bytes
static const size_t XGE_DATA_FRAME_SEND_SIZE = 4000; // Reduced to make sure flow control packets are not blocked for too long at high rates
static const size_t XGE_DATA_FRAME_RECV_SIZE = 8000;
static const size_t GE_DATA_FRAME_SEND_SIZE = 1472;
static const size_t GE_DATA_FRAME_RECV_SIZE = 1472;
static const size_t ETH_MSG_FRAME_SIZE = uhd::transport::udp_simple::mtu; //bytes
// MTU throttling for ethernet/TX (see above):
static constexpr size_t ETH_DATA_FRAME_MAX_TX_SIZE = 8000;
static constexpr double RECV_OFFLOAD_BUFFER_TIMEOUT = 0.1; //seconds
static constexpr double THREAD_BUFFER_TIMEOUT = 0.1; // Time in seconds
static constexpr size_t ETH_MSG_NUM_FRAMES = 64;
static constexpr size_t ETH_DATA_NUM_FRAMES = 32;
static constexpr double DEFAULT_SYSREF_RATE = 10e6;
// Limit the number of initialization threads
static const size_t MAX_INIT_THREADS = 10;
static const size_t MAX_RATE_PCIE = 800000000; // bytes/s
static const size_t MAX_RATE_10GIGE = (size_t)( // bytes/s
10e9 / 8 * // wire speed multiplied by percentage of packets that is sample data
( float(DATA_FRAME_MAX_SIZE - uhd::usrp::DEVICE3_TX_MAX_HDR_LEN) /
float(DATA_FRAME_MAX_SIZE + 8 /* UDP header */ + 20 /* Ethernet header length */ )));
static const size_t MAX_RATE_1GIGE = (size_t)( // bytes/s
10e9 / 8 * // wire speed multiplied by percentage of packets that is sample data
( float(GE_DATA_FRAME_RECV_SIZE - uhd::usrp::DEVICE3_TX_MAX_HDR_LEN) /
float(GE_DATA_FRAME_RECV_SIZE + 8 /* UDP header */ + 20 /* Ethernet header length */ )));
}}} /* namespace uhd::usrp::x300 */
#endif /* INCLUDED_X300_DEFAULTS_HPP */
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