1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** NetX Component                                                        */
16 /**                                                                       */
17 /**   Internet Protocol (IP)                                              */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define NX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "nx_api.h"
28 #include "nx_ip.h"
29 
30 /**************************************************************************/
31 /*                                                                        */
32 /*  FUNCTION                                               RELEASE        */
33 /*                                                                        */
34 /*    _nx_ip_link_status_change_notify_set                PORTABLE C      */
35 /*                                                           6.1          */
36 /*  AUTHOR                                                                */
37 /*                                                                        */
38 /*    Yuxin Zhou, Microsoft Corporation                                   */
39 /*                                                                        */
40 /*  DESCRIPTION                                                           */
41 /*                                                                        */
42 /*    This function configures the link status change notify callback     */
43 /*    function specified by the application.                              */
44 /*                                                                        */
45 /*    If a NULL pointer is supplied, the link status change notify        */
46 /*    callback feature is disabled.                                       */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    ip_ptr                                Pointer to IP instance        */
51 /*    link_status_change_notify             Routine to call when link     */
52 /*                                            staus is changed            */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    status                                Actual completion status      */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    None                                                                */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    Application Code                                                    */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
71 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
72 /*                                            resulting in version 6.1    */
73 /*                                                                        */
74 /**************************************************************************/
_nx_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))75 UINT  _nx_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))
76 {
77 TX_INTERRUPT_SAVE_AREA
78 
79     /* Disable interrupts.  */
80     TX_DISABLE
81 
82     /* Setup the link status change callback function pointer.  */
83     ip_ptr -> nx_ip_link_status_change_callback = link_status_change_notify;
84 
85     /* Restore interrupts.  */
86     TX_RESTORE
87 
88     /* Return successful completion.  */
89     return(NX_SUCCESS);
90 }
91 
92