3 Copyright (C) Dean Camera, 2014.
5 dean [at] fourwalledcubicle [dot] com
10 Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
12 Permission to use, copy, modify, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all copies and that both that the copyright notice and this
16 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
21 The author disclaims all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
33 * Header file for ICMP.c.
43 #include "EthernetProtocols.h"
45 #include "ProtocolDecoders.h"
48 /** ICMP message type constant, indicating an ICMP ECHO Reply message. */
49 #define ICMP_TYPE_ECHOREPLY 0
51 /** ICMP message type constant, indicating a packet destination is unreachable. */
52 #define ICMP_TYPE_DESTINATIONUNREACHABLE 3
54 /** ICMP message type constant, indicating an ICMP Source Quench message. */
55 #define ICMP_TYPE_SOURCEQUENCH 4
57 /** ICMP message type constant, indicating an ICMP Redirect message. */
58 #define ICMP_TYPE_REDIRECTMESSAGE 5
60 /** ICMP message type constant, indicating an ICMP ECHO Request message. */
61 #define ICMP_TYPE_ECHOREQUEST 8
63 /** ICMP message type constant, indicating an ICMP Time Exceeded message. */
64 #define ICMP_TYPE_TIMEEXCEEDED 11
67 /** Type define for an ICMP message header. */
70 uint8_t Type; /**< ICMP message type, an \c ICMP_TYPE_* constant */
71 uint8_t Code; /**< ICMP message code, indicating the message value */
72 uint16_t Checksum; /**< Ethernet checksum of the ICMP message */
73 uint16_t Id; /**< Id of the ICMP message */
74 uint16_t Sequence; /**< Sequence number of the ICMP message, to link together message responses */
77 /* Function Prototypes: */
78 int16_t ICMP_ProcessICMPPacket(Ethernet_Frame_Info_t* const FrameIN,