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icmp.c File Reference
Functions

icmp.c File Reference

ICMP (Internet Control Message Protocol) More...

Go to the source code of this file.

Functions

void icmpProcessMessage (NetInterface *interface, Ipv4Addr srcIpAddr, const NetBuffer *buffer, size_t offset)
 Incoming ICMP message processing.
void icmpProcessEchoRequest (NetInterface *interface, Ipv4Addr srcIpAddr, const NetBuffer *request, size_t requestOffset)
 Echo Request message processing.
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.
void icmpDumpMessage (const IcmpHeader *message)
 Dump ICMP message for debugging purpose.
void icmpDumpEchoMessage (const IcmpEchoMessage *message)
 Dump ICMP Echo Request or Echo Reply message.
void icmpDumpErrorMessage (const IcmpErrorMessage *message)
 Dump generic ICMP Error message.

Detailed Description

ICMP (Internet Control Message Protocol)

License

Copyright (C) 2010-2017 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:
1.7.6

Definition in file icmp.c.

Function Documentation

void icmpDumpEchoMessage ( const IcmpEchoMessage *  message )

Dump ICMP Echo Request or Echo Reply message.

Parameters:
[in]messagePointer to the ICMP message

Definition at line 361 of file icmp.c.

void icmpDumpErrorMessage ( const IcmpErrorMessage *  message )

Dump generic ICMP Error message.

Parameters:
[in]messagePointer to the ICMP message

Definition at line 377 of file icmp.c.

void icmpDumpMessage ( const IcmpHeader *  message )

Dump ICMP message for debugging purpose.

Parameters:
[in]messagePointer to the ICMP message

Definition at line 347 of file icmp.c.

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 124 of file icmp.c.

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 53 of file icmp.c.

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 225 of file icmp.c.

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