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
|
/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present 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
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Protocol (IP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ip.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_ip_interface_address_set PORTABLE C */
/* 6.1.11 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sets the IP address and the network mask for the */
/* supplied IP instance. */
/* */
/* INPUT */
/* */
/* ip_ptr IP control block pointer */
/* interface_index IP Interface Index */
/* ip_address IP address */
/* network_mask Network mask */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_ip_interface_address_set(NX_IP *ip_ptr, UINT interface_index, ULONG ip_address, ULONG network_mask)
{
#ifndef NX_DISABLE_IPV4
TX_INTERRUPT_SAVE_AREA
VOID (*address_change_notify)(NX_IP *, VOID *);
VOID *additional_info;
VOID (*address_change_notify_internal)(NX_IP *, VOID *);
ULONG previous_ip_address;
ULONG previous_network_mask;
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_IP_ADDRESS_SET, ip_ptr, ip_address, network_mask, 0, NX_TRACE_IP_EVENTS, 0, 0);
/* Get mutex protection. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Disable interrupts. */
TX_DISABLE
/* Save previous IP address and network mask. */
previous_ip_address = ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_address;
previous_network_mask = ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network_mask;
/* Pickup the current notification callback and additional information pointers. */
address_change_notify = ip_ptr -> nx_ip_address_change_notify;
additional_info = ip_ptr -> nx_ip_address_change_notify_additional_info;
/* Pickup the internal notification callback. */
address_change_notify_internal = ip_ptr -> nx_ip_address_change_notify_internal;
/* Setup the IP address and the network mask. */
ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_address = ip_address;
ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network_mask = network_mask;
ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network = ip_address & network_mask;
/* Ensure the RARP function is disabled. */
ip_ptr -> nx_ip_rarp_periodic_update = NX_NULL;
ip_ptr -> nx_ip_rarp_queue_process = NX_NULL;
/* Restore interrupts. */
TX_RESTORE
/* Release mutex protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Determine if the application should be notified of the IP address and/or
network mask change. */
if ((address_change_notify) &&
((ip_address != previous_ip_address) || (network_mask != previous_network_mask)))
{
/* Yes, call the application's IP address change notify function. */
(address_change_notify)(ip_ptr, additional_info);
}
/* Determine if the internal application should be notified of the IP address and/or
network mask change. */
if ((address_change_notify_internal) &&
((ip_address != previous_ip_address) || (network_mask != previous_network_mask)))
{
/* Yes, call the application's IP address change notify function. */
(address_change_notify_internal)(ip_ptr, NX_NULL);
}
/* Initialize the ARP defend timeout. */
ip_ptr -> nx_ip_interface[interface_index].nx_interface_arp_defend_timeout = 0;
/* Return completion status. */
return(NX_SUCCESS);
#else /* NX_DISABLE_IPV4 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(interface_index);
NX_PARAMETER_NOT_USED(ip_address);
NX_PARAMETER_NOT_USED(network_mask);
return(NX_NOT_SUPPORTED);
#endif /* !NX_DISABLE_IPV4 */
}
|
