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 Group Management Protocol (IGMP)                           */
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_igmp.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _nx_igmp_multicast_join                             PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Yuxin Zhou, Microsoft Corporation                                   */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function handles the request to join the specified multicast   */
45 /*    group. This service assumes the multicast join on the primary       */
46 /*    interface.                                                          */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    ip_ptr                                IP instance pointer           */
51 /*    group_address                         Multicast group to join       */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    status                                Completion status             */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    _nx_igmp_multicast_interface_join_internal                          */
60 /*                                                                        */
61 /*  CALLED BY                                                             */
62 /*                                                                        */
63 /*    Application Code                                                    */
64 /*                                                                        */
65 /*  RELEASE HISTORY                                                       */
66 /*                                                                        */
67 /*    DATE              NAME                      DESCRIPTION             */
68 /*                                                                        */
69 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
70 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
71 /*                                            resulting in version 6.1    */
72 /*                                                                        */
73 /**************************************************************************/
_nx_igmp_multicast_join(NX_IP * ip_ptr,ULONG group_address)74 UINT  _nx_igmp_multicast_join(NX_IP *ip_ptr, ULONG group_address)
75 {
76 
77 #ifndef NX_DISABLE_IPV4
78     return(_nx_igmp_multicast_interface_join_internal(ip_ptr, group_address, 0, 1));
79 #else /* NX_DISABLE_IPV4  */
80     NX_PARAMETER_NOT_USED(ip_ptr);
81     NX_PARAMETER_NOT_USED(group_address);
82 
83     return(NX_NOT_SUPPORTED);
84 #endif /* !NX_DISABLE_IPV4  */
85 }
86 
87