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 /* Bring in externs for caller checking code.  */
31 
32 NX_CALLER_CHECKING_EXTERNS
33 
34 
35 /**************************************************************************/
36 /*                                                                        */
37 /*  FUNCTION                                               RELEASE        */
38 /*                                                                        */
39 /*    _nxe_ip_address_change_notify                       PORTABLE C      */
40 /*                                                           6.1          */
41 /*  AUTHOR                                                                */
42 /*                                                                        */
43 /*    Yuxin Zhou, Microsoft Corporation                                   */
44 /*                                                                        */
45 /*  DESCRIPTION                                                           */
46 /*                                                                        */
47 /*    This function checks for errors in the IP address change notify     */
48 /*    function call.                                                      */
49 /*                                                                        */
50 /*  INPUT                                                                 */
51 /*                                                                        */
52 /*    ip_ptr                            IP control block pointer          */
53 /*    ip_address_change_notify          Application callback function     */
54 /*    additional_info                   Optional additional information   */
55 /*                                        for the callback function       */
56 /*                                                                        */
57 /*  OUTPUT                                                                */
58 /*                                                                        */
59 /*    status                            Completion status                 */
60 /*                                                                        */
61 /*  CALLS                                                                 */
62 /*                                                                        */
63 /*    _nx_ip_address_change_notify      Actual IP address change notify   */
64 /*                                        function                        */
65 /*                                                                        */
66 /*  CALLED BY                                                             */
67 /*                                                                        */
68 /*    Application Code                                                    */
69 /*                                                                        */
70 /*  RELEASE HISTORY                                                       */
71 /*                                                                        */
72 /*    DATE              NAME                      DESCRIPTION             */
73 /*                                                                        */
74 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
75 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
76 /*                                            resulting in version 6.1    */
77 /*                                                                        */
78 /**************************************************************************/
_nxe_ip_address_change_notify(NX_IP * ip_ptr,VOID (* ip_address_change_notify)(NX_IP *,VOID *),VOID * additional_info)79 UINT  _nxe_ip_address_change_notify(NX_IP *ip_ptr, VOID (*ip_address_change_notify)(NX_IP *, VOID *), VOID *additional_info)
80 {
81 
82 #ifndef NX_DISABLE_IPV4
83 UINT status;
84 
85 
86     /* Check for invalid input pointers.  */
87     if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
88     {
89         return(NX_PTR_ERROR);
90     }
91 
92     /* Check for appropriate caller.  */
93     NX_INIT_AND_THREADS_CALLER_CHECKING
94 
95     /* Call actual IP address change notify function.  */
96     status =  _nx_ip_address_change_notify(ip_ptr, ip_address_change_notify, additional_info);
97 
98     /* Return completion status.  */
99     return(status);
100 #else /* NX_DISABLE_IPV4  */
101     NX_PARAMETER_NOT_USED(ip_ptr);
102     NX_PARAMETER_NOT_USED(ip_address_change_notify);
103     NX_PARAMETER_NOT_USED(additional_info);
104 
105     return(NX_NOT_SUPPORTED);
106 #endif /* !NX_DISABLE_IPV4  */
107 }
108 
109