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 /** Reverse Address Resolution Protocol (RARP) */
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_rarp.h"
29
30 #ifndef NX_DISABLE_IPV4
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _nx_rarp_periodic_update PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Yuxin Zhou, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function simply initiates another RARP request. When an */
44 /* RARP response is received with our IP address, RARP (including */
45 /* this periodic update routine) is disabled. */
46 /* */
47 /* INPUT */
48 /* */
49 /* ip_ptr Pointer to IP instance */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* None */
54 /* */
55 /* CALLS */
56 /* */
57 /* _nx_rarp_packet_send Send periodic ARP request out */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* _nx_ip_thread_entry IP helper thread */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
68 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
_nx_rarp_periodic_update(NX_IP * ip_ptr)72 VOID _nx_rarp_periodic_update(NX_IP *ip_ptr)
73 {
74
75 /* Send RARP message out. */
76 _nx_rarp_packet_send(ip_ptr);
77
78 /* Setup the RARP queue process routine. */
79 ip_ptr -> nx_ip_rarp_queue_process = _nx_rarp_queue_process;
80 }
81 #endif /* !NX_DISABLE_IPV4 */
82
83
