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_driver_interface_direct_command 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 direct driver command */
48 /* function call. */
49 /* */
50 /* INPUT */
51 /* */
52 /* ip_ptr Pointer to IP instance */
53 /* command Driver command (NX_LINK_*) */
54 /* interface_index Index to the interface */
55 /* return_value_ptr Pointer to place return values*/
56 /* */
57 /* OUTPUT */
58 /* */
59 /* status Completion status */
60 /* */
61 /* CALLS */
62 /* */
63 /* _nx_ip_driver_interface_direct_command Actual direct driver command */
64 /* function */
65 /* */
66 /* CALLED BY */
67 /* */
68 /* Application */
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_driver_interface_direct_command(NX_IP * ip_ptr,UINT command,UINT interface_index,ULONG * return_value_ptr)79 UINT _nxe_ip_driver_interface_direct_command(NX_IP *ip_ptr, UINT command, UINT interface_index, ULONG *return_value_ptr)
80 {
81
82 UINT status;
83
84 /* Check for invalid input pointers. */
85 if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (return_value_ptr == NX_NULL))
86 {
87 return(NX_PTR_ERROR);
88 }
89
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 /* Call actual IP direct driver command function. */
99 status = _nx_ip_driver_interface_direct_command(ip_ptr, command, interface_index, return_value_ptr);
100
101 /* Return completion status. */
102 return(status);
103 }
104
105
