1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** NetX Component                                                        */
16 /**                                                                       */
17 /**   User Datagram Protocol (UDP)                                        */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define NX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "nx_api.h"
28 #include "nx_udp.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _nx_udp_socket_info_get                             PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Yuxin Zhou, Microsoft Corporation                                   */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function retrieves UDP information from the specified socket.  */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    ip_ptr                                Pointer to IP control block   */
48 /*    udp_packets_sent                      Destination to the number of  */
49 /*                                            packets sent                */
50 /*    udp_bytes_sent                        Destination to the number of  */
51 /*                                            bytes sent                  */
52 /*    udp_packets_received                  Destination to the number of  */
53 /*                                            packets received            */
54 /*    udp_bytes_received                    Destination to the number of  */
55 /*                                            bytes received              */
56 /*    udp_packets_queued                    Destination to the number of  */
57 /*                                            receive packets queued      */
58 /*    udp_receive_packets_dropped           Destination to the number of  */
59 /*                                            receive packets dropped     */
60 /*    udp_checksum_errors                   Destination to the number of  */
61 /*                                            checksum errors             */
62 /*                                                                        */
63 /*  OUTPUT                                                                */
64 /*                                                                        */
65 /*    status                                Completion status             */
66 /*                                                                        */
67 /*  CALLS                                                                 */
68 /*                                                                        */
69 /*    None                                                                */
70 /*                                                                        */
71 /*  CALLED BY                                                             */
72 /*                                                                        */
73 /*    Application                                                         */
74 /*                                                                        */
75 /*  RELEASE HISTORY                                                       */
76 /*                                                                        */
77 /*    DATE              NAME                      DESCRIPTION             */
78 /*                                                                        */
79 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
80 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
81 /*                                            resulting in version 6.1    */
82 /*                                                                        */
83 /**************************************************************************/
_nx_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)84 UINT  _nx_udp_socket_info_get(NX_UDP_SOCKET *socket_ptr, ULONG *udp_packets_sent, ULONG *udp_bytes_sent,
85                               ULONG *udp_packets_received, ULONG *udp_bytes_received, ULONG *udp_packets_queued,
86                               ULONG *udp_receive_packets_dropped, ULONG *udp_checksum_errors)
87 {
88 
89 TX_INTERRUPT_SAVE_AREA
90 
91 
92     /* If trace is enabled, insert this event into the trace buffer.  */
93     NX_TRACE_IN_LINE_INSERT(NX_TRACE_UDP_SOCKET_INFO_GET, socket_ptr -> nx_udp_socket_ip_ptr, socket_ptr, socket_ptr -> nx_udp_socket_bytes_sent, socket_ptr -> nx_udp_socket_bytes_received, NX_TRACE_UDP_EVENTS, 0, 0);
94 
95     /* Disable interrupts.  */
96     TX_DISABLE
97 
98     /* Determine if packets sent is wanted.  */
99     if (udp_packets_sent)
100     {
101 
102         /* Return the number of packets sent by this socket.  */
103         *udp_packets_sent =  socket_ptr -> nx_udp_socket_packets_sent;
104     }
105 
106     /* Determine if bytes sent is wanted.  */
107     if (udp_bytes_sent)
108     {
109 
110         /* Return the number of bytes sent by this socket.  */
111         *udp_bytes_sent =  socket_ptr -> nx_udp_socket_bytes_sent;
112     }
113 
114     /* Determine if packets received is wanted.  */
115     if (udp_packets_received)
116     {
117 
118         /* Return the number of packets received by this socket.  */
119         *udp_packets_received =  socket_ptr -> nx_udp_socket_packets_received;
120     }
121 
122     /* Determine if bytes received is wanted.  */
123     if (udp_bytes_received)
124     {
125 
126         /* Return the number of bytes received by this socket.  */
127         *udp_bytes_received =  socket_ptr -> nx_udp_socket_bytes_received;
128     }
129 
130     /* Determine if receive packets queued is wanted.  */
131     if (udp_packets_queued)
132     {
133 
134         /* Return the number of queued receive packets by this socket.  */
135         *udp_packets_queued =  socket_ptr -> nx_udp_socket_receive_count;
136     }
137 
138     /* Determine if receive packets dropped is wanted.  */
139     if (udp_receive_packets_dropped)
140     {
141 
142         /* Return the number of receive packets dropped by this socket.  */
143         *udp_receive_packets_dropped =  socket_ptr -> nx_udp_socket_packets_dropped;
144     }
145 
146     /* Determine if checksum errors is wanted.  */
147     if (udp_checksum_errors)
148     {
149 
150         /* Return the number of checksum errors by this socket.  */
151         *udp_checksum_errors =  socket_ptr -> nx_udp_socket_checksum_errors;
152     }
153 
154     /* Restore interrupts.  */
155     TX_RESTORE
156 
157     /* Return successful completion.  */
158     return(NX_SUCCESS);
159 }
160 
161