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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
|
/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
/* This NetX test concentrates on the TCP loopback operation. */
#include "tx_api.h"
#include "nx_api.h"
extern void test_control_return(UINT status);
#if !defined(NX_DISABLE_IPV4)
#define DEMO_STACK_SIZE 2048
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static TX_THREAD thread_1;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static NX_TCP_SOCKET client_socket;
static NX_TCP_SOCKET server_socket;
/* Define the counters used in the demo application... */
static ULONG thread_0_counter;
static ULONG thread_1_counter;
static ULONG error_counter;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_1_entry(ULONG thread_input);
static void thread_1_connect_received(NX_TCP_SOCKET *server_socket, UINT port);
static void thread_1_disconnect_received(NX_TCP_SOCKET *server_socket);
extern void _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_tcp_loopback_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
thread_0_counter = 0;
thread_1_counter = 0;
error_counter = 0;
/* Create the main thread. */
tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Create the main thread. */
tx_thread_create(&thread_1, "thread 1", thread_1_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Initialize the NetX system. */
nx_system_initialize();
/* Create a packet pool. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 256, pointer, 4096);
pointer = pointer + 4096;
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_256,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Enable ARP and supply ARP cache memory for IP Instance 0. */
status = nx_arp_enable(&ip_0, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Enable TCP processing for IP instance. */
status = nx_tcp_enable(&ip_0);
/* Check TCP enable status. */
if (status)
error_counter++;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
tx_thread_relinquish();
/* Print out some test information banners. */
printf("NetX Test: TCP Loopback Processing Test..............................");
/* Check for earlier error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Create a socket. */
status = nx_tcp_socket_create(&ip_0, &client_socket, "Client Socket",
NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 200,
NX_NULL, NX_NULL);
/* Check for error. */
if (status)
error_counter++;
/* Bind the socket. */
status = nx_tcp_client_socket_bind(&client_socket, 13, NX_WAIT_FOREVER);
/* Check for error. */
if (status)
error_counter++;
/* Attempt to connect the socket. */
status = nx_tcp_client_socket_connect(&client_socket, IP_ADDRESS(1, 2, 3, 4), 12, 5 * NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
error_counter++;
/* Loop to send 1,000 packets. */
thread_0_counter = 0;
while (thread_0_counter < 1000)
{
#ifdef NX_ENABLE_INTERFACE_CAPABILITY
if ((thread_0_counter & 3) == 0)
{
/* Disable all interface capability. */
nx_ip_interface_capability_set(&ip_0, 0, 0);
}
else if ((thread_0_counter & 3) == 1)
{
/* Enable all TX checksum capability. */
nx_ip_interface_capability_set(&ip_0, 0, NX_INTERFACE_CAPABILITY_IPV4_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_TCP_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_UDP_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV4_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV6_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_IGMP_TX_CHECKSUM);
}
else if ((thread_0_counter & 3) == 2)
{
/* Enable all RX checksum capability. */
nx_ip_interface_capability_set(&ip_0, 0, NX_INTERFACE_CAPABILITY_IPV4_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_TCP_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_UDP_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV4_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV6_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_IGMP_RX_CHECKSUM);
}
else if ((thread_0_counter & 3) == 3)
{
/* Enable all checksum capability. */
nx_ip_interface_capability_set(&ip_0, 0, NX_INTERFACE_CAPABILITY_IPV4_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_TCP_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_UDP_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV4_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV6_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_IGMP_TX_CHECKSUM |
NX_INTERFACE_CAPABILITY_IPV4_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_TCP_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_UDP_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV4_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_ICMPV6_RX_CHECKSUM |
NX_INTERFACE_CAPABILITY_IGMP_RX_CHECKSUM);
}
#endif /* NX_ENABLE_INTERFACE_CAPABILITY */
/* Increment thread 0's counter. */
thread_0_counter++;
/* Allocate a packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_WAIT_FOREVER);
/* Check status. */
if (status != NX_SUCCESS)
break;
/* Write ABCs into the packet payload! */
memcpy(my_packet -> nx_packet_prepend_ptr, "ABCDEFGHIJKLMNOPQRSTUVWXYZ ", 28);
/* Adjust the write pointer. */
my_packet -> nx_packet_length = 28;
my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + 28;
/* Send the packet out! */
status = nx_tcp_socket_send(&client_socket, my_packet, 2 * NX_IP_PERIODIC_RATE);
/* Determine if the status is valid. */
if (status)
{
error_counter++;
nx_packet_release(my_packet);
}
}
/* Disconnect this socket. */
status = nx_tcp_socket_disconnect(&client_socket, 5 * NX_IP_PERIODIC_RATE);
/* Determine if the status is valid. */
if (status)
error_counter++;
/* Unbind the socket. */
status = nx_tcp_client_socket_unbind(&client_socket);
/* Check for error. */
if (status)
error_counter++;
/* Delete the socket. */
status = nx_tcp_socket_delete(&client_socket);
/* Check for error. */
if (status)
error_counter++;
/* Determine how to report error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void thread_1_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *packet_ptr;
ULONG actual_status;
ULONG expected_length = 0;
/* Ensure the IP instance has been initialized. */
status = nx_ip_status_check(&ip_0, NX_IP_INITIALIZE_DONE, &actual_status, NX_IP_PERIODIC_RATE);
/* Check status... */
if (status != NX_SUCCESS)
{
error_counter++;
test_control_return(1);
}
/* Create a socket. */
status = nx_tcp_socket_create(&ip_0, &server_socket, "Server Socket",
NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 100,
NX_NULL, thread_1_disconnect_received);
/* Check for error. */
if (status)
error_counter++;
/* Setup this thread to listen. */
status = nx_tcp_server_socket_listen(&ip_0, 12, &server_socket, 5, thread_1_connect_received);
/* Check for error. */
if (status)
error_counter++;
/* Accept a client socket connection. */
status = nx_tcp_server_socket_accept(&server_socket, 5 * NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
error_counter++;
/* Loop to create and establish server connections. */
thread_1_counter = 0;
while(thread_1_counter < 1000)
{
if(expected_length == 0)
{
/* Increment thread 1's counter. */
thread_1_counter++;
expected_length = 28;
}
/* Receive a TCP message from the socket. */
status = nx_tcp_socket_receive(&server_socket, &packet_ptr, 5 * NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
error_counter++;
else
{
expected_length -= packet_ptr -> nx_packet_length;
/* Release the packet. */
nx_packet_release(packet_ptr);
}
}
/* Disconnect the server socket. */
status = nx_tcp_socket_disconnect(&server_socket, 5 * NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
error_counter++;
/* Unaccept the server socket. */
status = nx_tcp_server_socket_unaccept(&server_socket);
/* Check for error. */
if (status)
error_counter++;
/* Setup server socket for listening again. */
status = nx_tcp_server_socket_relisten(&ip_0, 12, &server_socket);
/* Check for error. */
if (status)
error_counter++;
}
static void thread_1_connect_received(NX_TCP_SOCKET *socket_ptr, UINT port)
{
/* Check for the proper socket and port. */
if ((socket_ptr != &server_socket) || (port != 12))
error_counter++;
}
static void thread_1_disconnect_received(NX_TCP_SOCKET *socket)
{
/* Check for proper disconnected socket. */
if (socket != &server_socket)
error_counter++;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_tcp_loopback_test_application_define(void *first_unused_memory)
#endif
{
/* Print out test information banner. */
printf("NetX Test: TCP Loopback Processing Test..............................N/A\n");
test_control_return(3);
}
#endif
|
