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 /** Internet Control Message Protocol (ICMP) */
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_packet.h"
30 #include "nx_icmp.h"
31 #include "nx_icmpv6.h"
32
33 #ifndef NX_DISABLE_IPV4
34 /**************************************************************************/
35 /* */
36 /* FUNCTION RELEASE */
37 /* */
38 /* _nx_icmp_packet_process PORTABLE C */
39 /* 6.1 */
40 /* AUTHOR */
41 /* */
42 /* Yuxin Zhou, Microsoft Corporation */
43 /* */
44 /* DESCRIPTION */
45 /* */
46 /* This function examines the incoming ICMP received packet and */
47 /* route the packet to the appropriate ICMP packet process handler. */
48 /* */
49 /* INPUT */
50 /* */
51 /* ip_ptr Pointer to IP control block */
52 /* packet_ptr ICMP packet pointer */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* None */
57 /* */
58 /* CALLS */
59 /* */
60 /* _nx_icmpv4_packet_process Process received ICMPv4 packet*/
61 /* _nx_icmpv6_packet_process Process received ICMPv6 packet*/
62 /* */
63 /* CALLED BY */
64 /* */
65 /* _nx_icmp_packet_receive ICMP packet receive */
66 /* _nx_icmp_queue_process ICMP packet queue processing */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
73 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
_nx_icmp_packet_process(NX_IP * ip_ptr,NX_PACKET * packet_ptr)77 VOID _nx_icmp_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr)
78 {
79
80 /* Add debug information. */
81 NX_PACKET_DEBUG(__FILE__, __LINE__, packet_ptr);
82
83 /* FEATURE_NX_IPV6 not defined */
84 if (ip_ptr -> nx_ip_icmpv4_packet_process)
85 {
86 ip_ptr -> nx_ip_icmpv4_packet_process(ip_ptr, packet_ptr);
87 return;
88 }
89
90 #ifndef NX_DISABLE_ICMP_INFO
91 ip_ptr -> nx_ip_icmp_invalid_packets++;
92 #endif /* NX_DISABLE_ICMP_INFO */
93
94 _nx_packet_release(packet_ptr);
95 }
96 #endif /* !NX_DISABLE_IPV4 */
97
98
