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_packet.h"
29 #include "nx_icmp.h"
30 #include "nx_icmpv6.h"
31
32 #ifndef NX_DISABLE_IPV4
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _nx_icmp_packet_process PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Yuxin Zhou, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function examines the incoming ICMP received packet and */
46 /* route the packet to the appropriate ICMP packet process handler. */
47 /* */
48 /* INPUT */
49 /* */
50 /* ip_ptr Pointer to IP control block */
51 /* packet_ptr ICMP packet pointer */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* None */
56 /* */
57 /* CALLS */
58 /* */
59 /* _nx_icmpv4_packet_process Process received ICMPv4 packet*/
60 /* _nx_icmpv6_packet_process Process received ICMPv6 packet*/
61 /* */
62 /* CALLED BY */
63 /* */
64 /* _nx_icmp_packet_receive ICMP packet receive */
65 /* _nx_icmp_queue_process ICMP packet queue processing */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
72 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* */
75 /**************************************************************************/
_nx_icmp_packet_process(NX_IP * ip_ptr,NX_PACKET * packet_ptr)76 VOID _nx_icmp_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr)
77 {
78
79 /* Add debug information. */
80 NX_PACKET_DEBUG(__FILE__, __LINE__, packet_ptr);
81
82 /* FEATURE_NX_IPV6 not defined */
83 if (ip_ptr -> nx_ip_icmpv4_packet_process)
84 {
85 ip_ptr -> nx_ip_icmpv4_packet_process(ip_ptr, packet_ptr);
86 return;
87 }
88
89 #ifndef NX_DISABLE_ICMP_INFO
90 ip_ptr -> nx_ip_icmp_invalid_packets++;
91 #endif /* NX_DISABLE_ICMP_INFO */
92
93 _nx_packet_release(packet_ptr);
94 }
95 #endif /* !NX_DISABLE_IPV4 */
96
97
