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 /**   Internet Control Message Protocol (ICMP)                            */
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_ip.h"
29 #include "nx_icmp.h"
30 
31 /* Bring in externs for caller checking code.  */
32 
33 
34 NX_CALLER_CHECKING_EXTERNS
35 
36 
37 
38 /**************************************************************************/
39 /*                                                                        */
40 /*  FUNCTION                                               RELEASE        */
41 /*                                                                        */
42 /*    _nxe_icmp_info_get                                  PORTABLE C      */
43 /*                                                           6.1          */
44 /*  AUTHOR                                                                */
45 /*                                                                        */
46 /*    Yuxin Zhou, Microsoft Corporation                                   */
47 /*                                                                        */
48 /*  DESCRIPTION                                                           */
49 /*                                                                        */
50 /*    This function checks for errors in the ICMP information get         */
51 /*    function call.                                                      */
52 /*                                                                        */
53 /*  INPUT                                                                 */
54 /*                                                                        */
55 /*    ip_ptr                                Pointer to IP instance        */
56 /*    pings_sent                            Destination for number of     */
57 /*                                            pings sent                  */
58 /*    ping_timeouts                         Destination for number of     */
59 /*                                            ping timeouts               */
60 /*    ping_threads_suspended                Destination for number of     */
61 /*                                            threads suspended on pings  */
62 /*    ping_responses_received               Destination for number of     */
63 /*                                            ping responses received     */
64 /*    icmp_checksum_errors                  Destination for number of     */
65 /*                                            ICMP checksum errors        */
66 /*    icmp_unhandled_messages               Destination for number of     */
67 /*                                            unhandled ICMP messages     */
68 /*                                                                        */
69 /*  OUTPUT                                                                */
70 /*                                                                        */
71 /*    None                                                                */
72 /*                                                                        */
73 /*  CALLS                                                                 */
74 /*                                                                        */
75 /*    _nx_icmp_info_get                     Actual ICMP information get   */
76 /*                                            function                    */
77 /*                                                                        */
78 /*  CALLED BY                                                             */
79 /*                                                                        */
80 /*    Application Code                                                    */
81 /*                                                                        */
82 /*  RELEASE HISTORY                                                       */
83 /*                                                                        */
84 /*    DATE              NAME                      DESCRIPTION             */
85 /*                                                                        */
86 /*  05-19-2020     Yuxin Zhou               Initial Version 6.0           */
87 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
88 /*                                            resulting in version 6.1    */
89 /*                                                                        */
90 /**************************************************************************/
_nxe_icmp_info_get(NX_IP * ip_ptr,ULONG * pings_sent,ULONG * ping_timeouts,ULONG * ping_threads_suspended,ULONG * ping_responses_received,ULONG * icmp_checksum_errors,ULONG * icmp_unhandled_messages)91 UINT  _nxe_icmp_info_get(NX_IP *ip_ptr, ULONG *pings_sent, ULONG *ping_timeouts,
92                          ULONG *ping_threads_suspended, ULONG *ping_responses_received,
93                          ULONG *icmp_checksum_errors, ULONG *icmp_unhandled_messages)
94 {
95 
96 UINT status;
97 
98 
99     /* Check for invalid input pointers.  */
100     if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
101     {
102         return(NX_PTR_ERROR);
103     }
104 
105     /* Check to see if ICMP is enabled.  */
106     if (!ip_ptr -> nx_ip_icmp_packet_receive)
107     {
108         return(NX_NOT_ENABLED);
109     }
110 
111     /* Check for appropriate caller.  */
112     NX_INIT_AND_THREADS_CALLER_CHECKING
113 
114     /* Call actual ICMP information get function.  */
115     status =  _nx_icmp_info_get(ip_ptr, pings_sent, ping_timeouts, ping_threads_suspended,
116                                 ping_responses_received, icmp_checksum_errors, icmp_unhandled_messages);
117 
118     /* Return completion status.  */
119     return(status);
120 }
121 
122