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4505 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 ip
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 *  @{
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 */
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/** @file
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 *  IP module messages.
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 *  @see ip_interface.h
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 */
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#ifndef __NET_IP_MESSAGES_H__
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#define __NET_IP_MESSAGES_H__
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#include <ipc/ipc.h>
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#include "../../include/in.h"
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#include "../../include/ip_codes.h"
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/** IP module messages.
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 */
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typedef enum{
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    /** Adds the routing entry.
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     *  @see ip_add_route()
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     */
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    NET_IP_ADD_ROUTE = NET_IP_FIRST,
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    /** Sets the default gateway.
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     *  @see ip_set_default_gateway()
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     */
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    NET_IP_SET_GATEWAY,
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    /** Processes the received error notification.
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     *  @see ip_received_error_msg()
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     */
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    NET_IP_RECEIVED_ERROR,
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    /** Gets the actual route information.
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     *  @see ip_get_route()
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     */
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    NET_IP_GET_ROUTE
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} ip_messages;
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/** @name IP specific message parameters definitions
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 */
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/*@{*/
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/** Returns the gateway message parameter.
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 *  @param call The message call structure. Input parameter.
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 */
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#define IP_GET_GATEWAY( call )      ({ in_addr_t addr; addr.s_addr = IPC_GET_ARG2( * call ); addr; })
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/** Returns the address message parameter.
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 *  @param call The message call structure. Input parameter.
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 */
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#define IP_GET_ADDRESS( call )      ({ in_addr_t addr; addr.s_addr = IPC_GET_ARG3( * call ); addr; })
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/** Returns the network mask message parameter.
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 *  @param call The message call structure. Input parameter.
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 */
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#define IP_GET_NETMASK( call )      ({ in_addr_t addr; addr.s_addr = IPC_GET_ARG4( * call ); addr; })
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/** Returns the protocol message parameter.
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 *  @param call The message call structure. Input parameter.
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 */
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#define IP_GET_PROTOCOL( call )     (( ip_protocol_t ) IPC_GET_ARG1( * call ))
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/** Sets the header length in the message answer.
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 *  @param answer The message answer structure. Output parameter.
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 */
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#define IP_SET_HEADERLEN( answer )  (( size_t * ) & IPC_GET_ARG2( * answer ))
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/*@}*/
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#endif
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/** @}
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 */