1 /**************************************************************************/
2 /*                                                                        */
3 /*       Copyright (c) Microsoft Corporation. All rights reserved.        */
4 /*                                                                        */
5 /*       This software is licensed under the Microsoft Software License   */
6 /*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
7 /*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
8 /*       and in the root directory of this software.                      */
9 /*                                                                        */
10 /**************************************************************************/
11 
12 
13 /**************************************************************************/
14 /**************************************************************************/
15 /**                                                                       */
16 /** NetX Component                                                        */
17 /**                                                                       */
18 /**   Internet Protocol (IP)                                              */
19 /**                                                                       */
20 /**************************************************************************/
21 /**************************************************************************/
22 
23 #define NX_SOURCE_CODE
24 
25 
26 /* Include necessary system files.  */
27 
28 #include "nx_api.h"
29 #include "nx_ip.h"
30 
31 /* Bring in externs for caller checking code.  */
32 
33 NX_CALLER_CHECKING_EXTERNS
34 
35 /**************************************************************************/
36 /*                                                                        */
37 /*  FUNCTION                                               RELEASE        */
38 /*                                                                        */
39 /*    _nxe_ip_link_status_change_notify_set                PORTABLE C     */
40 /*                                                           6.1          */
41 /*  AUTHOR                                                                */
42 /*                                                                        */
43 /*    Yuxin Zhou, Microsoft Corporation                                   */
44 /*                                                                        */
45 /*  DESCRIPTION                                                           */
46 /*                                                                        */
47 /*    This function is the error handling service for the link status     */
48 /*    change callback setting function.                                   */
49 /*                                                                        */
50 /*                                                                        */
51 /*  INPUT                                                                 */
52 /*                                                                        */
53 /*    ip_ptr                                Pointer to IP instance        */
54 /*    link_status_change_notify             Routine to call when link     */
55 /*                                            staus is change             */
56 /*                                                                        */
57 /*  OUTPUT                                                                */
58 /*                                                                        */
59 /*    status                                Actual completion status      */
60 /*                                                                        */
61 /*  CALLS                                                                 */
62 /*                                                                        */
63 /*    _nx_ip_link_status_change_notify_set  Actual callback set function  */
64 /*                                                                        */
65 /*  CALLED BY                                                             */
66 /*                                                                        */
67 /*    Application Code                                                    */
68 /*                                                                        */
69 /*  RELEASE HISTORY                                                       */
70 /*                                                                        */
71 /*    DATE              NAME                      DESCRIPTION             */
72 /*                                                                        */
73 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
74 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
75 /*                                            resulting in version 6.1    */
76 /*                                                                        */
77 /**************************************************************************/
_nxe_ip_link_status_change_notify_set(NX_IP * ip_ptr,VOID (* link_status_change_notify)(NX_IP * ip_ptr,UINT interface_index,UINT link_up))78 UINT  _nxe_ip_link_status_change_notify_set(NX_IP *ip_ptr,  VOID (*link_status_change_notify)(NX_IP *ip_ptr, UINT interface_index, UINT link_up))
79 {
80 UINT status;
81 
82     if ((ip_ptr == NX_NULL) || (link_status_change_notify == NX_NULL))
83     {
84         return(NX_PTR_ERROR);
85     }
86 
87     /* Check for appropriate caller.  */
88     NX_INIT_AND_THREADS_CALLER_CHECKING
89 
90     status = _nx_ip_link_status_change_notify_set(ip_ptr, link_status_change_notify);
91 
92     return(status);
93 }
94 
95