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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_MOCK_XPORT_HPP
#define INCLUDED_MOCK_XPORT_HPP
#include <uhdlib/rfnoc/xports.hpp>
#include <uhd/transport/chdr.hpp>
#include <uhd/transport/vrt_if_packet.hpp>
#include <uhd/transport/zero_copy.hpp>
#include <uhd/types/endianness.hpp>
#include <uhd/types/sid.hpp>
#include <uhd/utils/byteswap.hpp>
#include <uhd/exception.hpp>
#include <boost/make_shared.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/shared_array.hpp>
#include <list>
#include <vector>
/***********************************************************************
* Transport mockups
**********************************************************************/
/*! A single transport class that implements send() and recv()
*
* Tx and Rx are separate. We can access the other end of the FIFOs from
* this class.
*/
static constexpr size_t SEND_BUFF_SIZE = 1024;
static constexpr size_t RECV_BUFF_SIZE = 1024;
/***********************************************************************
* Dummy managed buffers for testing
**********************************************************************/
class mock_msb : public uhd::transport::managed_send_buffer {
public:
void release(void) { /* nop */
}
sptr get_new(boost::shared_array<uint8_t> mem, size_t* len) {
_mem = mem;
return make(this, mem.get(), *len);
}
private:
boost::shared_array<uint8_t> _mem;
};
class mock_mrb : public uhd::transport::managed_recv_buffer {
public:
void release(void) { /* nop */
}
sptr get_new(boost::shared_array<uint8_t> mem, size_t len) {
_mem = mem;
return make(this, _mem.get(), len);
}
private:
boost::shared_array<uint8_t> _mem;
};
class mock_zero_copy : public uhd::transport::zero_copy_if {
public:
typedef boost::shared_ptr<mock_zero_copy> sptr;
mock_zero_copy(uhd::transport::vrt::if_packet_info_t::link_type_t type);
uhd::transport::managed_recv_buffer::sptr get_recv_buff(double);
uhd::transport::managed_send_buffer::sptr get_send_buff(double);
size_t get_num_recv_frames(void) const { return 1; }
size_t get_num_send_frames(void) const { return 1; }
size_t get_recv_frame_size(void) const { return RECV_BUFF_SIZE; }
size_t get_send_frame_size(void) const { return SEND_BUFF_SIZE; }
void set_simulate_io_error(bool status) { _simulate_io_error = status; }
template <typename T, uhd::endianness_t endianness = uhd::ENDIANNESS_BIG>
void push_back_recv_packet(
uhd::transport::vrt::if_packet_info_t& ifpi,
const std::vector<T>& otw_data
);
template <uhd::endianness_t endianness = uhd::ENDIANNESS_BIG>
void push_back_inline_message_packet(
uhd::transport::vrt::if_packet_info_t& ifpi,
const uint32_t message
);
template <uhd::endianness_t endianness = uhd::ENDIANNESS_BIG>
void pop_send_packet(
uhd::transport::vrt::if_packet_info_t &ifpi
);
private:
std::list<boost::shared_array<uint8_t>> _tx_mems;
std::list<size_t> _tx_lens;
std::list<boost::shared_array<uint8_t>> _rx_mems;
std::list<size_t> _rx_lens;
std::vector<boost::shared_ptr<mock_msb>> _msbs;
std::vector<boost::shared_ptr<mock_mrb>> _mrbs;
uhd::transport::vrt::if_packet_info_t::link_type_t _link_type;
bool _simulate_io_error = false;
};
template <typename T, uhd::endianness_t endianness>
void mock_zero_copy::push_back_recv_packet(
uhd::transport::vrt::if_packet_info_t& ifpi,
const std::vector<T>& otw_data
) {
using namespace uhd::transport;
UHD_ASSERT_THROW(
ifpi.num_payload_words32 * sizeof(uint32_t)
== otw_data.size() * sizeof(T));
const size_t max_hdr_len =
_link_type == vrt::if_packet_info_t::LINK_TYPE_CHDR ?
vrt::chdr::max_if_hdr_words64*sizeof(uint64_t) :
(vrt::max_if_hdr_words32 + 1/*tlr*/)*sizeof(uint32_t);
const size_t max_pkt_len =
ifpi.num_payload_words32*sizeof(uint32_t)+max_hdr_len;
UHD_ASSERT_THROW(max_pkt_len <= RECV_BUFF_SIZE);
// Create recv buffer
_rx_mems.push_back(boost::shared_array<uint8_t>(new uint8_t[max_pkt_len]));
uint32_t* rx_buff_ptr = reinterpret_cast<uint32_t*>(_rx_mems.back().get());
// Copy header
if (endianness == uhd::ENDIANNESS_BIG) {
if (_link_type == vrt::if_packet_info_t::LINK_TYPE_CHDR) {
uhd::transport::vrt::chdr::if_hdr_pack_be(rx_buff_ptr, ifpi);
}
else {
uhd::transport::vrt::if_hdr_pack_be(rx_buff_ptr, ifpi);
}
} else {
if (_link_type == vrt::if_packet_info_t::LINK_TYPE_CHDR) {
uhd::transport::vrt::chdr::if_hdr_pack_le(rx_buff_ptr, ifpi);
}
else {
uhd::transport::vrt::if_hdr_pack_le(rx_buff_ptr, ifpi);
}
}
// Copy data
uint32_t* data_ptr = (rx_buff_ptr + ifpi.num_header_words32);
std::copy(otw_data.begin(), otw_data.end(), reinterpret_cast<T*>(data_ptr));
_rx_lens.push_back(ifpi.num_packet_words32*sizeof(uint32_t));
}
template <uhd::endianness_t endianness>
void mock_zero_copy::push_back_inline_message_packet(
uhd::transport::vrt::if_packet_info_t& ifpi,
const uint32_t message
) {
const std::vector<uint32_t> data { message | uhd::byteswap(message) };
push_back_recv_packet<uint32_t, endianness>(ifpi, data);
}
template <uhd::endianness_t endianness>
void mock_zero_copy::pop_send_packet(
uhd::transport::vrt::if_packet_info_t &ifpi
) {
using namespace uhd::transport;
ifpi.num_packet_words32 = _tx_lens.front()/sizeof(uint32_t);
uint32_t* tx_buff_ptr = reinterpret_cast<uint32_t *>(_tx_mems.front().get());
if (endianness == uhd::ENDIANNESS_BIG) {
if (_link_type == vrt::if_packet_info_t::LINK_TYPE_CHDR) {
uhd::transport::vrt::chdr::if_hdr_unpack_be(tx_buff_ptr, ifpi);
}
else {
uhd::transport::vrt::if_hdr_unpack_be(tx_buff_ptr, ifpi);
}
}
else {
if (_link_type == vrt::if_packet_info_t::LINK_TYPE_CHDR) {
uhd::transport::vrt::chdr::if_hdr_unpack_le(tx_buff_ptr, ifpi);
}
else {
uhd::transport::vrt::if_hdr_unpack_le(tx_buff_ptr, ifpi);
}
}
_tx_mems.pop_front();
_tx_lens.pop_front();
}
#endif /*INCLUDED_MOCK_XPORT_HPP*/
|
