aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/x300/x300_defaults.hpp
blob: 5471b02c6e811bffb8213cb5c0e8caeed3694f7f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
//
// 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>

#define NIUSRPRIO_DEFAULT_RPC_PORT "5444"


namespace uhd {
namespace usrp {
namespace x300 {

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 */