blob: 268223e47af186c6db6ef28b9ca74169e9a3a83b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Neighbor Discovery Cache */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_nd_cache.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ipv6.h"
#endif /* FEATURE_NX_IPV6 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxd_nd_cache_invalidate PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function invalidates the entire IPv6 Neighbor Discovery cache. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP instance */
/* */
/* OUTPUT */
/* */
/* NX_SUCCESS Successful completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Obtain protection mutex */
/* tx_mutex_put Release protection mutex */
/* _nxd_nd_cache_invalidate_internal Actual cache table invalidate */
/* service */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxd_nd_cache_invalidate(NX_IP *ip_ptr)
{
#ifdef FEATURE_NX_IPV6
INT idx;
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NXD_TRACE_ND_CACHE_INVALIDATE, ip_ptr, 0, 0, 0, NX_TRACE_ARP_EVENTS, 0, 0);
/* Obtain the protection. */
tx_mutex_get(&ip_ptr -> nx_ip_protection, TX_WAIT_FOREVER);
/* Invalidate all entries. */
for (idx = 0; idx < NX_IPV6_NEIGHBOR_CACHE_SIZE; idx++)
{
_nx_nd_cache_delete_internal(ip_ptr, &(ip_ptr -> nx_ipv6_nd_cache[idx]));
}
/* Release the protection. */
tx_mutex_put(&ip_ptr -> nx_ip_protection);
return(NX_SUCCESS);
#else /* !FEATURE_NX_IPV6 */
NX_PARAMETER_NOT_USED(ip_ptr);
return(NX_NOT_SUPPORTED);
#endif /* FEATURE_NX_IPV6 */
}
|
