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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 *  @returns ENOMEM if there is not enough memory left.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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 */
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int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address );
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int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address );
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/** Clears the device specific data.
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 *  @param device The device specific data.
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 */
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void    clear_device( arp_device_ref device );
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/** @name Message processing functions
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 */
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/*@{*/
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/** Registers the device.
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/** Registers the device.
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 *  Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists.
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 *  Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param service The device driver service. Input parameter.
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 *  @param service The device driver service. Input parameter.
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 *  @param protocol The protocol service. Input parameter.
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 *  @param protocol The protocol service. Input parameter.
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 *  Responses to the ARP request if the packet is the ARP request and is targeted to my address.
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 *  Responses to the ARP request if the packet is the ARP request and is targeted to my address.
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 *  @param device_id The source device identifier. Input parameter.
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 *  @param device_id The source device identifier. Input parameter.
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 *  @param packet The received packet. Input/output parameter.
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 *  @param packet The received packet. Input/output parameter.
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 *  @returns EOK on success and the packet is no longer needed.
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 *  @returns EOK on success and the packet is no longer needed.
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 *  @returns 1 on success and the packet has been reused.
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 *  @returns 1 on success and the packet has been reused.
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 *  @returns EINVAL if the packet is too small to carry the ARP packet.
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 *  @returns EINVAL if the packet is too small to carry an ARP packet.
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 *  @returns EINVAL if the received address lengths differs from the registered values.
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 *  @returns EINVAL if the received address lengths differs from the registered values.
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 *  @returns ENOENT if the device is not found in the cache.
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 *  @returns ENOENT if the device is not found in the cache.
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 *  @returns ENOENT if the protocol for the device is not found in the cache.
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 *  @returns ENOENT if the protocol for the device is not found in the cache.
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 *  @returns ENOMEM if there is not enough memory left.
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 *  @returns ENOMEM if there is not enough memory left.
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 */
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 */
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int arp_receive_message( device_id_t device_id, packet_t packet );
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int arp_receive_message( device_id_t device_id, packet_t packet );
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/** Clears the device specific data.
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 *  @param device The device specific data.
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 */
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void    clear_device( arp_device_ref device );
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/** Updates the device content length according to the new MTU value.
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/** Updates the device content length according to the new MTU value.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param mtu The new mtu value. Input parameter.
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 *  @param mtu The new mtu value. Input parameter.
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 *  @returns ENOENT if device is not found.
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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 */
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 */
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int arp_mtu_changed_msg( device_id_t device_id, size_t mtu );
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int arp_mtu_changed_message( device_id_t device_id, size_t mtu );
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/*@}*/
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DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t )
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DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t )
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INT_MAP_IMPLEMENT( arp_protos, arp_proto_t )
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INT_MAP_IMPLEMENT( arp_protos, arp_proto_t )
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int arp_connect_module( services_t service ){
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int arp_connect_module( services_t service ){
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    return EOK;
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    return EOK;
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}
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}
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int arp_mtu_changed_msg( device_id_t device_id, size_t mtu ){
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int arp_mtu_changed_message( device_id_t device_id, size_t mtu ){
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    arp_device_ref  device;
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    arp_device_ref  device;
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    fibril_rwlock_write_lock( & arp_globals.lock );
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    fibril_rwlock_write_lock( & arp_globals.lock );
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    device = arp_cache_find( & arp_globals.cache, device_id );
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    device = arp_cache_find( & arp_globals.cache, device_id );
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    if( ! device ){
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    if( ! device ){
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                }while( packet );
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                }while( packet );
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                fibril_rwlock_read_unlock( & arp_globals.lock );
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                fibril_rwlock_read_unlock( & arp_globals.lock );
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            }
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            }
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            return ERROR_CODE;
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            return ERROR_CODE;
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        case NET_IL_MTU_CHANGED:
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        case NET_IL_MTU_CHANGED:
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            return arp_mtu_changed_msg( IPC_GET_DEVICE( call ), IPC_GET_MTU( call ));
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            return arp_mtu_changed_message( IPC_GET_DEVICE( call ), IPC_GET_MTU( call ));
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    }
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    }
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    return ENOTSUP;
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    return ENOTSUP;
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}
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}
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/** @}
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/** @}