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 /** Reverse Address Resolution Protocol (RARP) */
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_rarp.h"
30
31 #ifndef NX_DISABLE_IPV4
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _nx_rarp_periodic_update PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Yuxin Zhou, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function simply initiates another RARP request. When an */
45 /* RARP response is received with our IP address, RARP (including */
46 /* this periodic update routine) is disabled. */
47 /* */
48 /* INPUT */
49 /* */
50 /* ip_ptr Pointer to IP instance */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* None */
55 /* */
56 /* CALLS */
57 /* */
58 /* _nx_rarp_packet_send Send periodic ARP request out */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* _nx_ip_thread_entry IP helper thread */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
69 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* */
72 /**************************************************************************/
_nx_rarp_periodic_update(NX_IP * ip_ptr)73 VOID _nx_rarp_periodic_update(NX_IP *ip_ptr)
74 {
75
76 /* Send RARP message out. */
77 _nx_rarp_packet_send(ip_ptr);
78
79 /* Setup the RARP queue process routine. */
80 ip_ptr -> nx_ip_rarp_queue_process = _nx_rarp_queue_process;
81 }
82 #endif /* !NX_DISABLE_IPV4 */
83
84
