USRP Hardware Driver and USRP Manual Version: 3.15.0.0-MacPorts-Release
UHD and USRP Manual
 
Loading...
Searching...
No Matches
traffic_counter.hpp
Go to the documentation of this file.
1//
2// Copyright 2018 Ettus Research, a National Instruments Company
3//
4// SPDX-License-Identifier: GPL-3.0-or-later
5//
6
7#ifndef INCLUDED_LIBUHD_TRAFFIC_COUNTER_HPP
8#define INCLUDED_LIBUHD_TRAFFIC_COUNTER_HPP
9
10#include <uhd/property_tree.hpp>
11#include <stdint.h>
12#include <type_traits>
13#include <functional>
14#include <memory>
15
16namespace uhd { namespace rfnoc {
17
19{
20public:
21 typedef std::shared_ptr<traffic_counter> sptr;
22 typedef std::function<void(const uint32_t addr, const uint32_t data)> write_reg_fn_t;
23 typedef std::function<uint64_t(const uint32_t addr)> read_reg_fn_t;
24
26 uhd::fs_path root_path,
27 write_reg_fn_t write_reg_fn,
28 read_reg_fn_t read_reg_fn)
29 : _write_reg_fn(write_reg_fn), _read_reg_fn(read_reg_fn)
30 {
31 const uint32_t id_reg_offset = 0;
32 const uint32_t first_counter_offset = 1;
33 const uint64_t traffic_counter_id = 0x712AFF1C00000000ULL;
34
35 // Check traffic counter id to determine if it's present
36 const uint64_t id = _read_reg_fn(id_reg_offset);
37
38 // If present, add properties
39 if (id == traffic_counter_id) {
40 tree->create<bool>(root_path / "traffic_counter/enable")
41 .add_coerced_subscriber([this](const bool enable) {
42 uint32_t val = enable ? 1 : 0;
43 return _write_reg_fn(0, val);
44 })
45 .set(false);
46
47 const char* counters[] = {"bus_clock_ticks",
48 "xbar_to_shell_xfer_count",
49 "xbar_to_shell_pkt_count",
50 "shell_to_xbar_xfer_count",
51 "shell_to_xbar_pkt_count",
52 "shell_to_ce_xfer_count",
53 "shell_to_ce_pkt_count",
54 "ce_to_shell_xfer_count",
55 "ce_to_shell_pkt_count"};
56
57 for (size_t i = 0; i < std::extent<decltype(counters)>::value; i++) {
58 tree->create<uint64_t>(root_path / "traffic_counter" / counters[i])
59 .set_publisher([this, i, first_counter_offset]() {
60 return _read_reg_fn(i + first_counter_offset);
61 });
62 }
63 }
64 }
65
66private:
67 write_reg_fn_t _write_reg_fn;
68 read_reg_fn_t _read_reg_fn;
69};
70
71}} /* namespace uhd::rfnoc */
72
73#endif /* INCLUDED_LIBUHD_TRAFFIC_COUNTER_HPP */
boost::shared_ptr< property_tree > sptr
Definition property_tree.hpp:217
Definition traffic_counter.hpp:19
std::function< void(const uint32_t addr, const uint32_t data)> write_reg_fn_t
Definition traffic_counter.hpp:22
traffic_counter(uhd::property_tree::sptr tree, uhd::fs_path root_path, write_reg_fn_t write_reg_fn, read_reg_fn_t read_reg_fn)
Definition traffic_counter.hpp:25
std::function< uint64_t(const uint32_t addr)> read_reg_fn_t
Definition traffic_counter.hpp:23
std::shared_ptr< traffic_counter > sptr
Definition traffic_counter.hpp:21
Definition build_info.hpp:13
Definition property_tree.hpp:200