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 /**   User Datagram Protocol (UDP)                                        */
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_udp.h"
30 
31 
32 /* Bring in externs for caller checking code.  */
33 
34 NX_CALLER_CHECKING_EXTERNS
35 
36 
37 /**************************************************************************/
38 /*                                                                        */
39 /*  FUNCTION                                               RELEASE        */
40 /*                                                                        */
41 /*    _nxe_udp_socket_info_get                            PORTABLE C      */
42 /*                                                           6.1          */
43 /*  AUTHOR                                                                */
44 /*                                                                        */
45 /*    Yuxin Zhou, Microsoft Corporation                                   */
46 /*                                                                        */
47 /*  DESCRIPTION                                                           */
48 /*                                                                        */
49 /*    This function checks for errors in the UDP socket information get   */
50 /*    function call.                                                      */
51 /*                                                                        */
52 /*  INPUT                                                                 */
53 /*                                                                        */
54 /*    ip_ptr                                Pointer to IP control block   */
55 /*    udp_packets_sent                      Destination to the number of  */
56 /*                                            packets sent                */
57 /*    udp_bytes_sent                        Destination to the number of  */
58 /*                                            bytes sent                  */
59 /*    udp_packets_received                  Destination to the number of  */
60 /*                                            packets received            */
61 /*    udp_bytes_received                    Destination to the number of  */
62 /*                                            bytes received              */
63 /*    udp_packets_queued                    Destination to the number of  */
64 /*                                            receive packets queued      */
65 /*    udp_receive_packets_dropped           Destination to the number of  */
66 /*                                            receive packets dropped     */
67 /*    udp_checksum_errors                   Destination to the number of  */
68 /*                                            checksum errors             */
69 /*                                                                        */
70 /*  OUTPUT                                                                */
71 /*                                                                        */
72 /*    status                                Completion status             */
73 /*                                                                        */
74 /*  CALLS                                                                 */
75 /*                                                                        */
76 /*    _nx_udp_socket_info_get               Actual UDP socket information */
77 /*                                            get function                */
78 /*                                                                        */
79 /*  CALLED BY                                                             */
80 /*                                                                        */
81 /*    Application                                                         */
82 /*                                                                        */
83 /*  RELEASE HISTORY                                                       */
84 /*                                                                        */
85 /*    DATE              NAME                      DESCRIPTION             */
86 /*                                                                        */
87 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
88 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
89 /*                                            resulting in version 6.1    */
90 /*                                                                        */
91 /**************************************************************************/
_nxe_udp_socket_info_get(NX_UDP_SOCKET * socket_ptr,ULONG * udp_packets_sent,ULONG * udp_bytes_sent,ULONG * udp_packets_received,ULONG * udp_bytes_received,ULONG * udp_packets_queued,ULONG * udp_receive_packets_dropped,ULONG * udp_checksum_errors)92 UINT  _nxe_udp_socket_info_get(NX_UDP_SOCKET *socket_ptr, ULONG *udp_packets_sent, ULONG *udp_bytes_sent,
93                                ULONG *udp_packets_received, ULONG *udp_bytes_received, ULONG *udp_packets_queued,
94                                ULONG *udp_receive_packets_dropped, ULONG *udp_checksum_errors)
95 {
96 
97 UINT status;
98 
99 
100     /* Check for invalid input pointers.  */
101     if ((socket_ptr == NX_NULL) || (socket_ptr -> nx_udp_socket_id != NX_UDP_ID))
102     {
103         return(NX_PTR_ERROR);
104     }
105 
106     /* Check to see if UDP is enabled.  */
107     if (!(socket_ptr -> nx_udp_socket_ip_ptr) -> nx_ip_udp_packet_receive)
108     {
109         return(NX_NOT_ENABLED);
110     }
111 
112     /* Check for appropriate caller.  */
113     NX_NOT_ISR_CALLER_CHECKING
114 
115     /* Call actual UDP socket information get function.  */
116     status =  _nx_udp_socket_info_get(socket_ptr, udp_packets_sent, udp_bytes_sent, udp_packets_received,
117                                       udp_bytes_received, udp_packets_queued, udp_receive_packets_dropped,
118                                       udp_checksum_errors);
119 
120     /* Return completion status.  */
121     return(status);
122 }
123 
124