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_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 IP       */
44 /*    instance.                                                           */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    ip_ptr                                Pointer to IP control block   */
49 /*    udp_packets_sent                      Destination to the number of  */
50 /*                                            packets sent                */
51 /*    udp_bytes_sent                        Destination to the number of  */
52 /*                                            bytes sent                  */
53 /*    udp_packets_received                  Destination to the number of  */
54 /*                                            packets received            */
55 /*    udp_bytes_received                    Destination to the number of  */
56 /*                                            bytes received              */
57 /*    udp_invalid_packets                   Destination to the number of  */
58 /*                                            invalid packets             */
59 /*    udp_receive_packets_dropped           Destination to the number of  */
60 /*                                            receive packets dropped     */
61 /*    udp_checksum_errors                   Destination to the number of  */
62 /*                                            checksum errors             */
63 /*                                                                        */
64 /*  OUTPUT                                                                */
65 /*                                                                        */
66 /*    status                                Completion status             */
67 /*                                                                        */
68 /*  CALLS                                                                 */
69 /*                                                                        */
70 /*    None                                                                */
71 /*                                                                        */
72 /*  CALLED BY                                                             */
73 /*                                                                        */
74 /*    Application                                                         */
75 /*                                                                        */
76 /*  RELEASE HISTORY                                                       */
77 /*                                                                        */
78 /*    DATE              NAME                      DESCRIPTION             */
79 /*                                                                        */
80 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
81 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
82 /*                                            resulting in version 6.1    */
83 /*                                                                        */
84 /**************************************************************************/
_nx_udp_info_get(NX_IP * ip_ptr,ULONG * udp_packets_sent,ULONG * udp_bytes_sent,ULONG * udp_packets_received,ULONG * udp_bytes_received,ULONG * udp_invalid_packets,ULONG * udp_receive_packets_dropped,ULONG * udp_checksum_errors)85 UINT  _nx_udp_info_get(NX_IP *ip_ptr, ULONG *udp_packets_sent, ULONG *udp_bytes_sent,
86                        ULONG *udp_packets_received, ULONG *udp_bytes_received,
87                        ULONG *udp_invalid_packets, ULONG *udp_receive_packets_dropped,
88                        ULONG *udp_checksum_errors)
89 {
90 
91 TX_INTERRUPT_SAVE_AREA
92 
93 
94     /* If trace is enabled, insert this event into the trace buffer.  */
95     NX_TRACE_IN_LINE_INSERT(NX_TRACE_UDP_INFO_GET, ip_ptr, ip_ptr -> nx_ip_udp_bytes_sent, ip_ptr -> nx_ip_udp_bytes_received, ip_ptr -> nx_ip_udp_invalid_packets, NX_TRACE_UDP_EVENTS, 0, 0);
96 
97     /* Disable interrupts.  */
98     TX_DISABLE
99 
100     /* Determine if packets sent is wanted.  */
101     if (udp_packets_sent)
102     {
103 
104         /* Return the number of packets sent by this IP instance.  */
105         *udp_packets_sent =  ip_ptr -> nx_ip_udp_packets_sent;
106     }
107 
108     /* Determine if bytes sent is wanted.  */
109     if (udp_bytes_sent)
110     {
111 
112         /* Return the number of bytes sent by this IP instance.  */
113         *udp_bytes_sent =  ip_ptr -> nx_ip_udp_bytes_sent;
114     }
115 
116     /* Determine if packets received is wanted.  */
117     if (udp_packets_received)
118     {
119 
120         /* Return the number of packets received by this IP instance.  */
121         *udp_packets_received =  ip_ptr -> nx_ip_udp_packets_received;
122     }
123 
124     /* Determine if bytes received is wanted.  */
125     if (udp_bytes_received)
126     {
127 
128         /* Return the number of bytes received by this IP instance.  */
129         *udp_bytes_received =  ip_ptr -> nx_ip_udp_bytes_received;
130     }
131 
132     /* Determine if invalid packets is wanted.  */
133     if (udp_invalid_packets)
134     {
135 
136         /* Return the number of invalid packets by this IP instance.  */
137         *udp_invalid_packets =  ip_ptr -> nx_ip_udp_invalid_packets;
138     }
139 
140     /* Determine if receive packets dropped is wanted.  */
141     if (udp_receive_packets_dropped)
142     {
143 
144         /* Return the number of receive packets dropped by this IP instance.  */
145         *udp_receive_packets_dropped =  ip_ptr -> nx_ip_udp_receive_packets_dropped;
146     }
147 
148     /* Determine if checksum errors is wanted.  */
149     if (udp_checksum_errors)
150     {
151 
152         /* Return the number of checksum errors by this IP instance.  */
153         *udp_checksum_errors =  ip_ptr -> nx_ip_udp_checksum_errors;
154     }
155 
156     /* Restore interrupts.  */
157     TX_RESTORE
158 
159     /* Return successful completion.  */
160     return(NX_SUCCESS);
161 }
162 
163