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_ipv6.h"
30 #ifdef FEATURE_NX_IPV6
31 #include "nx_ip.h"
32
33 /* Bring in externs for caller checking code. */
34
35 NX_CALLER_CHECKING_EXTERNS
36 #endif /* FEATURE_NX_IPV6 */
37
38 /**************************************************************************/
39 /* */
40 /* FUNCTION RELEASE */
41 /* */
42 /* _nxde_ipv6_address_set PORTABLE C */
43 /* 6.1 */
44 /* AUTHOR */
45 /* */
46 /* Yuxin Zhou, Microsoft Corporation */
47 /* */
48 /* DESCRIPTION */
49 /* */
50 /* This function checks for errors in the IP address set */
51 /* function call. */
52 /* */
53 /* INPUT */
54 /* */
55 /* ip_ptr IP control block pointer */
56 /* interface_index The index to the physical */
57 /* interface this address */
58 /* belongs to */
59 /* ip_address Pointer to IP address */
60 /* structure */
61 /* prefix_length Prefix length */
62 /* address_index Index to the IPv6 address */
63 /* table */
64 /* */
65 /* OUTPUT */
66 /* */
67 /* status Completion status */
68 /* */
69 /* CALLS */
70 /* */
71 /* IPv6_Address_Type Find IPv6 address type. */
72 /* _nxd_ipv6_address_set Actual IP address set function*/
73 /* */
74 /* CALLED BY */
75 /* */
76 /* Application Code */
77 /* */
78 /* RELEASE HISTORY */
79 /* */
80 /* DATE NAME DESCRIPTION */
81 /* */
82 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
83 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
84 /* resulting in version 6.1 */
85 /* */
86 /**************************************************************************/
_nxde_ipv6_address_set(NX_IP * ip_ptr,UINT if_index,NXD_ADDRESS * ip_address,ULONG prefix_length,UINT * address_index)87 UINT _nxde_ipv6_address_set(NX_IP *ip_ptr, UINT if_index, NXD_ADDRESS *ip_address, ULONG prefix_length, UINT *address_index)
88 {
89 #ifdef FEATURE_NX_IPV6
90
91 UINT status;
92 ULONG AddressType;
93
94
95 /* Check for invalid input pointers. */
96 if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
97 {
98 return(NX_PTR_ERROR);
99 }
100
101 /* Check for invalid IP addresses. */
102
103 /* (Do not apply to autoconfigured linklocal addresses) */
104 if ((ip_address != NULL) && (prefix_length != 10))
105 {
106
107 /* A non null IP address must have the version set. */
108 if (ip_address -> nxd_ip_version != NX_IP_VERSION_V6)
109 {
110 return(NX_IP_ADDRESS_ERROR);
111 }
112 }
113
114 if ((if_index >= NX_MAX_PHYSICAL_INTERFACES) ||
115 (ip_ptr -> nx_ip_interface[if_index].nx_interface_valid != NX_TRUE))
116 {
117 return(NX_INVALID_INTERFACE);
118 }
119
120
121 /* Make sure the address is unicast address. */
122 /* Find out the type of the incoming IP address. */
123 if (ip_address)
124 {
125 AddressType = IPv6_Address_Type(ip_address -> nxd_ip_address.v6);
126
127 if ((AddressType & IPV6_ADDRESS_UNICAST) == 0)
128 {
129 return(NX_IP_ADDRESS_ERROR);
130 }
131 }
132
133 /* Check for appropriate caller. */
134 NX_INIT_AND_THREADS_CALLER_CHECKING
135
136 /* Call actual IP address set function. */
137 status = _nxd_ipv6_address_set(ip_ptr, if_index, ip_address, prefix_length, address_index);
138
139 /* Return completion status. */
140 return(status);
141
142 #else /* !FEATURE_NX_IPV6 */
143 NX_PARAMETER_NOT_USED(ip_ptr);
144 NX_PARAMETER_NOT_USED(if_index);
145 NX_PARAMETER_NOT_USED(ip_address);
146 NX_PARAMETER_NOT_USED(prefix_length);
147 NX_PARAMETER_NOT_USED(address_index);
148
149 return(NX_NOT_SUPPORTED);
150
151 #endif /* FEATURE_NX_IPV6 */
152 }
153
154
