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
|
/***************************************************************************/
/* 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 is a small demo of the NetX TCP/IP stack using the AUTO IP module. */
#include "tx_api.h"
#include "nx_api.h"
#include "nx_tcp.h"
#include "nx_arp.h"
#include "nx_auto_ip.h"
#include "nx_ram_network_driver_test_1500.h"
#define DEMO_STACK_SIZE 4096
extern void test_control_return(UINT status);
#if !defined(NX_DISABLE_IPV4)
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD ntest_0;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
/* Define the AUTO IP structures for each IP instance. */
static NX_AUTO_IP auto_ip_0;
/* Define the counters used in the demo application... */
static ULONG address_changes;
static ULONG error_counter;
static UINT checkNum;
static ULONG conn_ip_address;
static UINT check_source_phyAddr;
static UINT check_source_ip;
static UINT check_dest_phyAddr;
static UINT check_dest_ip;
/* Define thread prototypes. */
static void ntest_0_entry(ULONG thread_input);
static void ip_address_changed(NX_IP *ip_ptr, VOID *auto_ip_address);
extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req);
extern UINT (*advanced_packet_process_callback)(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);
static UINT my_arp_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_auto_ip_address_check_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
check_source_phyAddr = NX_FALSE;
check_source_ip = NX_FALSE;
check_dest_phyAddr = NX_FALSE;
check_dest_ip = NX_FALSE;
/* Initializes the variables. */
error_counter = 0;
checkNum = NX_AUTO_IP_PROBE_NUM + NX_AUTO_IP_ANNOUNCE_NUM;
/* Create the main thread. */
tx_thread_create(&ntest_0, "thread 0", ntest_0_entry, 0,
pointer, DEMO_STACK_SIZE,
3, 3, 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", 1536, pointer, 1536*16);
pointer = pointer + 1536*16;
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(0, 0, 0, 0), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500,
pointer, 4096, 1);
pointer = pointer + 4096;
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for IP Instance 0. */
status = nx_arp_enable(&ip_0, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Check ARP enable status. */
if (status)
error_counter++;
/* Enable TCP processing for both IP instances. */
status = nx_tcp_enable(&ip_0);
/* Check UDP enable status. */
if (status)
error_counter++;
/* Create the AutoIP instance for each IP instance. */
status = nx_auto_ip_create(&auto_ip_0, "AutoIP 0", &ip_0, pointer, 4096, 2);
pointer = pointer + 4096;
/* Check AutoIP create status. */
if (status)
error_counter++;
/* Start both AutoIP instances. */
status = nx_auto_ip_start(&auto_ip_0, IP_ADDRESS(169,254,10,10));
/* Check AutoIP start status. */
if (status)
error_counter++;
/* Register an IP address change function for each IP instance. */
status = nx_ip_address_change_notify(&ip_0, ip_address_changed, (void *) &auto_ip_0);
/* Check IP address change notify status. */
if (status)
error_counter++;
}
/* Define the test threads. */
void ntest_0_entry(ULONG thread_input)
{
UINT status;
ULONG actual_status;
ULONG network_mask;
printf("NetX Test: Auto_IP Address Check Processing Test.....................");
advanced_packet_process_callback = my_arp_packet_process;
/* Wait for IP address to be resolved. */
tx_thread_sleep(NX_AUTO_IP_PROBE_MAX * checkNum * NX_IP_PERIODIC_RATE);
/* Call IP status check routine. */
status = nx_ip_status_check(&ip_0, NX_IP_ADDRESS_RESOLVED, &actual_status, NX_IP_PERIODIC_RATE);
/* Check status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Pickup the current IP address. */
nx_ip_address_get(&ip_0, &conn_ip_address, &network_mask);
/* Check whether the AutoIP allocates addresses in the range of 169.254.1.0 through 169.254.254.255.*/
if((conn_ip_address & 0xFFFF0000UL) != IP_ADDRESS(169, 254, 0, 0) || (conn_ip_address < IP_ADDRESS(169, 254, 1, 0)) || (conn_ip_address > IP_ADDRESS(169, 254, 254, 255)))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Stop the AutoIP instance auto_ip_0. */
status = nx_auto_ip_stop(&auto_ip_0);
/* Check for error. */
if(status)
error_counter++;
/* Delete the AutoIP instance auto_ip_0. */
status = nx_auto_ip_delete(&auto_ip_0);
/* Check for error. */
if(status)
error_counter++;
/* Determine if the test was successful. */
if ((error_counter) ||(check_source_phyAddr != NX_TRUE) || (check_source_ip != NX_TRUE) || (check_dest_phyAddr != NX_TRUE) || (check_dest_ip != NX_TRUE))
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
void ip_address_changed(NX_IP *ip_ptr, VOID *auto_ip_address)
{
ULONG ip_address;
ULONG network_mask;
NX_AUTO_IP *auto_ip_ptr;
/* Setup pointer to auto IP instance. */
auto_ip_ptr = (NX_AUTO_IP *) auto_ip_address;
/* Pickup the current IP address. */
nx_ip_address_get(ip_ptr, &ip_address, &network_mask);
/* Determine if the IP address has changed back to zero. If so, make sure the
AutoIP instance is started. */
if (ip_address == 0)
{
/* Get the last AutoIP address for this node. */
nx_auto_ip_get_address(auto_ip_ptr, &ip_address);
/* Start this AutoIP instance. */
nx_auto_ip_start(auto_ip_ptr, ip_address);
}
/* Determine if the IP address has transitioned to a non local IP address. */
else if ((ip_address & 0xFFFF0000UL) != IP_ADDRESS(169, 254, 0, 0))
{
/* Stop the AutoIP processing. */
nx_auto_ip_stop(auto_ip_ptr);
/* Delete the AutoIP instance. */
nx_auto_ip_delete(auto_ip_ptr);
}
/* Increment a counter. */
address_changes++;
}
static UINT my_arp_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr)
{
ULONG *message_ptr;
ULONG sender_physical_msw;
ULONG sender_physical_lsw;
ULONG sender_ip_address;
ULONG target_physical_msw;
ULONG target_physical_lsw;
ULONG target_ip_address;
UINT message_type;
/* Setup a pointer to the ARP message. */
message_ptr = (ULONG *) packet_ptr -> nx_packet_prepend_ptr;
/* Endian swapping logic. If NX_LITTLE_ENDIAN is specified, these macros will
swap the endian of the ARP message. */
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+1));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+2));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+3));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+4));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+5));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+6));
/* Pickup the ARP message type. */
message_type = (UINT) (*(message_ptr+1) & 0xFFFF);
/* Pick up the sender's physical address from the message. */
sender_physical_msw = (*(message_ptr+2) >> 16);
sender_physical_lsw = (*(message_ptr+2) << 16) | (*(message_ptr+3) >> 16);
sender_ip_address = (*(message_ptr+3) << 16) | (*(message_ptr+4) >> 16);
target_physical_msw = (*(message_ptr+4) >> 16);
target_physical_lsw = (*(message_ptr+5));
target_ip_address = (*(message_ptr+6));
if (message_type != NX_ARP_OPTION_REQUEST)
error_counter++;
else
{
if((sender_physical_msw == ip_ptr -> nx_ip_interface[auto_ip_0.nx_ip_interface_index].nx_interface_physical_address_msw) && (sender_physical_lsw == ip_ptr -> nx_ip_interface[auto_ip_0.nx_ip_interface_index].nx_interface_physical_address_lsw))
check_source_phyAddr = NX_TRUE;
if(sender_ip_address == 0)
check_source_ip = NX_TRUE;
if((target_physical_msw == 0) && (target_physical_lsw == 0))
check_dest_phyAddr = NX_TRUE;
if(target_ip_address == IP_ADDRESS(169,254,10,10))
check_dest_ip = NX_TRUE;
}
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+1));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+2));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+3));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+4));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+5));
NX_CHANGE_ULONG_ENDIAN(*(message_ptr+6));
advanced_packet_process_callback = NX_NULL;
return NX_TRUE;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_auto_ip_address_check_test_application_define(void *first_unused_memory)
#endif
{
/* Print out test information banner. */
printf("NetX Test: Auto_IP Address Check Processing Test.....................N/A\n");
test_control_return(3);
}
#endif
|
