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 NX_CALLER_CHECKING_EXTERNS
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _nxe_ip_interface_physical_address_get              PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Yuxin Zhou, Microsoft Corporation                                   */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function checks errors in the IP physical address get          */
47 /*    function call.                                                      */
48 /*                                                                        */
49 /*  INPUT                                                                 */
50 /*                                                                        */
51 /*    ip_ptr                            IP control block pointer          */
52 /*    interface_index                   Index of interface                */
53 /*    physical_msw                      Physical address MSW pointer      */
54 /*    physical_lsw                      Physical address LSW pointer      */
55 /*                                                                        */
56 /*  OUTPUT                                                                */
57 /*                                                                        */
58 /*    status                            Completion status                 */
59 /*                                                                        */
60 /*  CALLS                                                                 */
61 /*                                                                        */
62 /*    _nx_ip_interface_physical_address_get                               */
63 /*                                                                        */
64 /*  CALLED BY                                                             */
65 /*                                                                        */
66 /*    Application Code                                                    */
67 /*                                                                        */
68 /*  RELEASE HISTORY                                                       */
69 /*                                                                        */
70 /*    DATE              NAME                      DESCRIPTION             */
71 /*                                                                        */
72 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
73 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
74 /*                                            resulting in version 6.1    */
75 /*                                                                        */
76 /**************************************************************************/
_nxe_ip_interface_physical_address_get(NX_IP * ip_ptr,UINT interface_index,ULONG * physical_msw,ULONG * physical_lsw)77 UINT  _nxe_ip_interface_physical_address_get(NX_IP *ip_ptr, UINT interface_index,
78                                              ULONG *physical_msw, ULONG *physical_lsw)
79 {
80 
81 UINT status;
82 
83     /* Check for invalid input pointers.  */
84     if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (physical_msw == NX_NULL) || (physical_lsw == NX_NULL))
85     {
86         return(NX_PTR_ERROR);
87     }
88 
89     /* Check for invalid interface ID */
90     if (interface_index >= NX_MAX_PHYSICAL_INTERFACES)
91     {
92         return(NX_INVALID_INTERFACE);
93     }
94 
95     /* Check for appropriate caller.  */
96     NX_INIT_AND_THREADS_CALLER_CHECKING
97 
98     status = _nx_ip_interface_physical_address_get(ip_ptr, interface_index, physical_msw, physical_lsw);
99 
100     /* Return completion status.  */
101     return(status);
102 }
103 
104