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_forwarding_enable 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 forwarding enable */
48 /* function call. */
49 /* */
50 /* INPUT */
51 /* */
52 /* ip_ptr Pointer to IP instance */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* status Completion status */
57 /* */
58 /* CALLS */
59 /* */
60 /* _nx_ip_forwarding_enable Actual IP forwarding enable */
61 /* function */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
72 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* */
75 /**************************************************************************/
_nxe_ip_forwarding_enable(NX_IP * ip_ptr)76 UINT _nxe_ip_forwarding_enable(NX_IP *ip_ptr)
77 {
78
79 #ifndef NX_DISABLE_IPV4
80 UINT status;
81
82
83 /* Check for invalid input pointers. */
84 if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
85 {
86 return(NX_PTR_ERROR);
87 }
88
89 /* Check for appropriate caller. */
90 NX_NOT_ISR_CALLER_CHECKING
91
92 /* Call actual IP forwarding enable function. */
93 status = _nx_ip_forwarding_enable(ip_ptr);
94
95 /* Return completion status. */
96 return(status);
97 #else
98 NX_PARAMETER_NOT_USED(ip_ptr);
99
100 return(NX_NOT_SUPPORTED);
101 #endif /* !NX_DISABLE_IPV4 */
102 }
103
104
