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 /** Neighbor Discovery Cache */
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_nd_cache.h"
30
31 #ifdef FEATURE_NX_IPV6
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _nx_nd_cache_interface_entries_delete PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Yuxin Zhou, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function deletes entries associated with a specified interface */
45 /* in the ND cache table. */
46 /* */
47 /* INPUT */
48 /* */
49 /* ip_ptr Pointer to IP instance */
50 /* index IP interface index */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* status Completion status */
55 /* */
56 /* CALLS */
57 /* */
58 /* tx_mutex_get Obtain protection mutex */
59 /* tx_mutex_put Release protection mutex */
60 /* _nx_nd_cache_delete_internal Actual function to remove an */
61 /* entry from the cache. */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
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 /**************************************************************************/
_nx_nd_cache_interface_entries_delete(NX_IP * ip_ptr,UINT index)76 UINT _nx_nd_cache_interface_entries_delete(NX_IP *ip_ptr, UINT index)
77 {
78
79 NX_INTERFACE *interface_ptr;
80 UINT i;
81
82 interface_ptr = &(ip_ptr -> nx_ip_interface[index]);
83
84 for (i = 0; i < NX_IPV6_NEIGHBOR_CACHE_SIZE; i++)
85 {
86 if (ip_ptr -> nx_ipv6_nd_cache[i].nx_nd_cache_interface_ptr == interface_ptr)
87 {
88
89 _nx_nd_cache_delete_internal(ip_ptr, &ip_ptr -> nx_ipv6_nd_cache[i]);
90 }
91 }
92
93 return(NX_SUCCESS);
94 }
95 #endif /* FEATURE_NX_IPV6 */
96
97
