icmp.c File Reference

ICMP (Internet Control Message Protocol) More...

#include <string.h>
#include "core/net.h"
#include "core/ip.h"
#include "ipv4/ipv4.h"
#include "ipv4/icmp.h"
#include "mibs/mib2_module.h"
#include "mibs/ip_mib_module.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   ICMP_TRACE_LEVEL
 

Functions

void icmpProcessMessage (NetInterface *interface, Ipv4Addr srcIpAddr, const NetBuffer *buffer, size_t offset)
 Incoming ICMP message processing. More...
 
void icmpProcessEchoRequest (NetInterface *interface, Ipv4Addr srcIpAddr, const NetBuffer *request, size_t requestOffset)
 Echo Request message processing. More...
 
error_t icmpSendErrorMessage (NetInterface *interface, uint8_t type, uint8_t code, uint8_t parameter, const NetBuffer *ipPacket, size_t ipPacketOffset)
 Send an ICMP Error message. More...
 
void icmpUpdateInStats (uint8_t type)
 Update ICMP input statistics. More...
 
void icmpUpdateOutStats (uint8_t type)
 Update ICMP output statistics. More...
 
void icmpDumpMessage (const IcmpHeader *message)
 Dump ICMP message for debugging purpose. More...
 
void icmpDumpEchoMessage (const IcmpEchoMessage *message)
 Dump ICMP Echo Request or Echo Reply message. More...
 
void icmpDumpErrorMessage (const IcmpErrorMessage *message)
 Dump generic ICMP Error message. More...
 

Detailed Description

ICMP (Internet Control Message Protocol)

License

Copyright (C) 2010-2018 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
1.9.0

Definition in file icmp.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   ICMP_TRACE_LEVEL

Definition at line 30 of file icmp.c.

Function Documentation

◆ icmpDumpEchoMessage()

void icmpDumpEchoMessage ( const IcmpEchoMessage message)

Dump ICMP Echo Request or Echo Reply message.

Parameters
[in]messagePointer to the ICMP message

Definition at line 471 of file icmp.c.

◆ icmpDumpErrorMessage()

void icmpDumpErrorMessage ( const IcmpErrorMessage message)

Dump generic ICMP Error message.

Parameters
[in]messagePointer to the ICMP message

Definition at line 487 of file icmp.c.

◆ icmpDumpMessage()

void icmpDumpMessage ( const IcmpHeader message)

Dump ICMP message for debugging purpose.

Parameters
[in]messagePointer to the ICMP message

Definition at line 457 of file icmp.c.

◆ icmpProcessEchoRequest()

void icmpProcessEchoRequest ( NetInterface interface,
Ipv4Addr  srcIpAddr,
const NetBuffer request,
size_t  requestOffset 
)

Echo Request message processing.

Parameters
[in]interfaceUnderlying network interface
[in]srcIpAddrSource IPv4 address
[in]requestMulti-part buffer containing the incoming Echo Request message
[in]requestOffsetOffset to the first byte of the Echo Request message

Definition at line 134 of file icmp.c.

◆ icmpProcessMessage()

void icmpProcessMessage ( NetInterface interface,
Ipv4Addr  srcIpAddr,
const NetBuffer buffer,
size_t  offset 
)

Incoming ICMP message processing.

Parameters
[in]interfaceUnderlying network interface
[in]srcIpAddrSource IPv4 address
[in]bufferMulti-part buffer containing the incoming ICMP message
[in]offsetOffset to the first byte of the ICMP message

Definition at line 54 of file icmp.c.

◆ icmpSendErrorMessage()

error_t icmpSendErrorMessage ( NetInterface interface,
uint8_t  type,
uint8_t  code,
uint8_t  parameter,
const NetBuffer ipPacket,
size_t  ipPacketOffset 
)

Send an ICMP Error message.

Parameters
[in]interfaceUnderlying network interface
[in]typeMessage type
[in]codeSpecific message code
[in]parameterSpecific message parameter
[in]ipPacketMulti-part buffer that holds the invoking IPv4 packet
[in]ipPacketOffsetOffset to the first byte of the IPv4 packet
Returns
Error code

Definition at line 230 of file icmp.c.

◆ icmpUpdateInStats()

void icmpUpdateInStats ( uint8_t  type)

Update ICMP input statistics.

Parameters
[in]typeICMP message type

Definition at line 325 of file icmp.c.

◆ icmpUpdateOutStats()

void icmpUpdateOutStats ( uint8_t  type)

Update ICMP output statistics.

Parameters
[in]typeICMPv6 message type

Definition at line 389 of file icmp.c.