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4707 mejdrech 1 
/*
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 * Copyright (c) 2009 Lukas Mejdrech
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup icmp
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 *  @{
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 */
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/** @file
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 *  ICMP module interface.
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 *  The same interface is used for standalone remote modules as well as for bundle modules.
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 *  The standalone remote modules have to be compiled with the icmp_remote.c source file.
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 *  The bundle modules with the icmp.c source file.
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 */
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#ifndef __NET_ICMP_INTERFACE_H__
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#define __NET_ICMP_INTERFACE_H__
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#include <sys/types.h>
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#include "device.h"
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#include "../structures/measured_strings.h"
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#include "../structures/packet/packet.h"
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#include "inet.h"
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#include "ip_codes.h"
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#include "socket_codes.h"
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#include "icmp_codes.h"
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#include "icmp_common.h"
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/** @name ICMP module interface
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 *  This interface is used by other modules.
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 */
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/*@{*/
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/** Sends the Destination Unreachable error notification packet.
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 *  Beginning of the packet is sent as the notification packet data.
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 *  The source and the destination addresses should be set in the original packet.
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 *  @param[in] icmp_phone The ICMP module phone used for (semi)remote calls.
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 *  @param[in] code The error specific code.
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 *  @param[in] mtu The error MTU value.
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 *  @param[in] packet The original packet.
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 *  @returns EOK on success.
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 *  @returns EPERM if the ICMP error notifications are disabled.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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int icmp_destination_unreachable_msg( int icmp_phone, icmp_code_t code, icmp_param_t mtu, packet_t packet );
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/** Sends the Source Quench error notification packet.
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 *  Beginning of the packet is sent as the notification packet data.
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 *  The source and the destination addresses should be set in the original packet.
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 *  @param[in] icmp_phone The ICMP module phone used for (semi)remote calls.
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 *  @param[in] packet The original packet.
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 *  @returns EOK on success.
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 *  @returns EPERM if the ICMP error notifications are disabled.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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int icmp_source_quench_msg( int icmp_phone, packet_t packet );
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/** Sends the Time Exceeded error notification packet.
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 *  Beginning of the packet is sent as the notification packet data.
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 *  The source and the destination addresses should be set in the original packet.
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 *  @param[in] icmp_phone The ICMP module phone used for (semi)remote calls.
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 *  @param[in] code The error specific code.
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 *  @param[in] packet The original packet.
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 *  @returns EOK on success.
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 *  @returns EPERM if the ICMP error notifications are disabled.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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int icmp_time_exceeded_msg( int icmp_phone, icmp_code_t code, packet_t packet );
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/** Sends the Parameter Problem error notification packet.
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 *  Beginning of the packet is sent as the notification packet data.
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 *  The source and the destination addresses should be set in the original packet.
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 *  @param[in] icmp_phone The ICMP module phone used for (semi)remote calls.
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 *  @param[in] code The error specific code.
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 *  @param[in] pointer The problematic parameter offset.
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 *  @param[in] packet The original packet.
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 *  @returns EOK on success.
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 *  @returns EPERM if the ICMP error notifications are disabled.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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int icmp_parameter_problem_msg( int icmp_phone, icmp_code_t code, icmp_param_t pointer, packet_t packet );
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/*@}*/
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#endif
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/** @}
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 */