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 Secure Component */
17 /** */
18 /** Datagram Transport Layer Security (DTLS) */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define NX_SECURE_SOURCE_CODE
24
25 #include "nx_secure_dtls.h"
26
27 /**************************************************************************/
28 /* */
29 /* FUNCTION RELEASE */
30 /* */
31 /* _nxe_secure_dtls_packet_allocate PORTABLE C */
32 /* 6.1 */
33 /* AUTHOR */
34 /* */
35 /* Timothy Stapko, Microsoft Corporation */
36 /* */
37 /* DESCRIPTION */
38 /* */
39 /* This function checks for errors in DTLS packet allocate call. */
40 /* */
41 /* INPUT */
42 /* */
43 /* dtls_session DTLS control block */
44 /* pool_ptr Pool to allocate packet from */
45 /* packet_ptr Pointer to place allocated */
46 /* packet pointer */
47 /* wait_option Suspension option */
48 /* */
49 /* OUTPUT */
50 /* */
51 /* status Completion status */
52 /* */
53 /* CALLS */
54 /* */
55 /* _nx_secure_dtls_packet_allocate Actual packet allocate call. */
56 /* */
57 /* CALLED BY */
58 /* */
59 /* Application */
60 /* */
61 /* RELEASE HISTORY */
62 /* */
63 /* DATE NAME DESCRIPTION */
64 /* */
65 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
66 /* 09-30-2020 Timothy Stapko Modified comment(s), */
67 /* resulting in version 6.1 */
68 /* */
69 /**************************************************************************/
_nxe_secure_dtls_packet_allocate(NX_SECURE_DTLS_SESSION * dtls_session,NX_PACKET_POOL * pool_ptr,NX_PACKET ** packet_ptr,ULONG wait_option)70 UINT _nxe_secure_dtls_packet_allocate(NX_SECURE_DTLS_SESSION *dtls_session, NX_PACKET_POOL *pool_ptr,
71 NX_PACKET **packet_ptr, ULONG wait_option)
72 {
73 #ifdef NX_SECURE_ENABLE_DTLS
74 UINT status;
75
76 if ((dtls_session == NX_NULL) || (pool_ptr == NX_NULL) || (packet_ptr == NX_NULL))
77 {
78 return(NX_PTR_ERROR);
79 }
80
81 /* Make sure the session is initialized. */
82 if(dtls_session->nx_secure_dtls_tls_session.nx_secure_tls_id != NX_SECURE_TLS_ID)
83 {
84 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
85 }
86
87 status = _nx_secure_dtls_packet_allocate(dtls_session, pool_ptr, packet_ptr, wait_option);
88
89 return(status);
90 #else
91 NX_PARAMETER_NOT_USED(dtls_session);
92 NX_PARAMETER_NOT_USED(pool_ptr);
93 NX_PARAMETER_NOT_USED(packet_ptr);
94 NX_PARAMETER_NOT_USED(wait_option);
95
96 return(NX_NOT_SUPPORTED);
97 #endif /* NX_SECURE_ENABLE_DTLS */
98 }
99
100
