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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 client interface.
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 */
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#ifndef __NET_ICMP_CLIENT_H__
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#define __NET_ICMP_CLIENT_H__
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#include "icmp_codes.h"
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#include "../structures/packet/packet.h"
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/** Processes the received packet prefixed with an ICMP header.
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 *  @param[in] packet The received packet.
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 *  @param[out] type The ICMP header type.
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 *  @param[out] code The ICMP header code.
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 *  @param[out] pointer The ICMP header pointer.
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 *  @param[out] mtu The ICMP header MTU.
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 *  @returns The ICMP header length.
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 *  @returns Zero (0) if the packet contains no data.
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 */
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int icmp_client_process_packet( packet_t packet, icmp_type_t * type, icmp_code_t * code, icmp_param_t * pointer, icmp_param_t * mtu );
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/** Returns the ICMP header length.
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 *  @param[in] packet The packet.
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 *  @returns The ICMP header length in bytes.
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 */
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size_t  icmp_client_header_length( packet_t packet );
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#endif
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/** @}
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 */