Outline ![]()
Files ![]()
loading...
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
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Protocol (IP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_tcp.h"
#include "nx_arp.h"
#include "nx_icmpv6.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_ip_diferred_link_status_process PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function processes link status change event. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP control block */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* tx_mutex_get Obtain protection mutex */
/* tx_mutex_put Release protection mutex */
/* _nx_tcp_socket_connection_reset Reset TCP connection */
/* _nx_arp_interface_entries_delete Remove specified ARP entries */
/* _nx_nd_cache_interface_entries_delete Delete ND cache entries assoc-*/
/* iated with specified interface*/
/* link_driver_entry Link driver */
/* memset Zero out the interface */
/* */
/* CALLED BY */
/* */
/* nx_ip_thread_entry */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
VOID _nx_ip_deferred_link_status_process(NX_IP *ip_ptr)
{
UINT i;
NX_IP_DRIVER driver_request;
ULONG link_up;
if (ip_ptr -> nx_ip_link_status_change_callback == NX_NULL)
{
/* Callback function is not set. */
return;
}
for (i = 0; i < NX_MAX_PHYSICAL_INTERFACES; i++)
{
if ((ip_ptr -> nx_ip_interface[i].nx_interface_valid) &&
(ip_ptr -> nx_ip_interface[i].nx_interface_link_status_change))
{
/* Reset the flag. */
ip_ptr -> nx_ip_interface[i].nx_interface_link_status_change = NX_FALSE;
driver_request.nx_ip_driver_ptr = ip_ptr;
driver_request.nx_ip_driver_command = NX_LINK_GET_STATUS;
driver_request.nx_ip_driver_interface = &(ip_ptr -> nx_ip_interface[i]);
driver_request.nx_ip_driver_return_ptr = &link_up;
(ip_ptr -> nx_ip_interface[i].nx_interface_link_driver_entry)(&driver_request);
/* Invoke the callback function. */
/*lint -e{644} suppress variable might not be initialized, since "link_up" was initialized in nx_interface_link_driver_entry. */
ip_ptr -> nx_ip_link_status_change_callback(ip_ptr, i, link_up);
}
}
}
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.