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/** @addtogroup net_nil
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/** @addtogroup net_nil
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 *  @{
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 *  @{
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 */
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 */
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/**
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 * @file
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/** @file
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 *  Network interface layer interface.
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 *  The same interface is used for standalone remote device modules as well as for bundle device modules.
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 *  The standalone remote device modules have to be compiled with the nil_remote.c source file.
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 *  The bundle device modules with the appropriate network interface layer source file (eth.c etc.).
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 *  The upper layers cannot be bundled with the network interface layer.
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 */
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 */
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#ifndef __NET_NIL_INTERFACE_H__
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#ifndef __NET_NIL_INTERFACE_H__
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#define __NET_NIL_INTERFACE_H__
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#define __NET_NIL_INTERFACE_H__
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#include "../nil/nil_messages.h"
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#include "../nil/nil_messages.h"
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#include "device.h"
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#include "device.h"
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/** Returns the device local hardware address.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param address The device local hardware address. Output parameter.
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 *  @param data The address data. Output parameter.
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 *  @returns EOK on success.
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 *  @returns EBADMEM if the address parameter is NULL.
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 *  @returns ENOENT if there no such device.
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 *  @returns Other error codes as defined for the generic_get_addr() function.
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 */
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#define nil_get_addr( nil_phone, device_id, address, data ) \
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#define nil_get_addr( nil_phone, device_id, address, data ) \
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    generic_get_addr( nil_phone, NET_NIL_ADDR, device_id, address, data )
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    generic_get_addr( nil_phone, NET_NIL_ADDR, device_id, address, data )
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/** Returns the device broadcast hardware address.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param address The device broadcast hardware address. Output parameter.
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 *  @param data The address data. Output parameter.
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 *  @returns EOK on success.
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 *  @returns EBADMEM if the address parameter is NULL.
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 *  @returns ENOENT if there no such device.
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 *  @returns Other error codes as defined for the generic_get_addr() function.
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 */
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#define nil_get_broadcast_addr( nil_phone, device_id, address, data )   \
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#define nil_get_broadcast_addr( nil_phone, device_id, address, data )   \
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    generic_get_addr( nil_phone, NET_NIL_BROADCAST_ADDR, device_id, address, data )
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    generic_get_addr( nil_phone, NET_NIL_BROADCAST_ADDR, device_id, address, data )
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/** Sends the packet queue.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param packet The packet queue. Input parameter.
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 *  @param sender The sending module service. Input parameter.
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 *  @returns EOK on success.
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 *  @returns Other error codes as defined for the generic_send_msg() function.
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 */
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#define nil_send_msg( nil_phone, device_id, packet, sender )    \
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#define nil_send_msg( nil_phone, device_id, packet, sender )    \
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    generic_send_msg( nil_phone, NET_NIL_SEND, device_id, packet_get_id( packet ), sender )
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    generic_send_msg( nil_phone, NET_NIL_SEND, device_id, packet_get_id( packet ), sender )
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/** Returns the device packet dimensions for sending.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param addr_len The minimum reserved address length. Output parameter.
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 *  @param prefix The minimum reserved prefix size. Output parameter.
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 *  @param content The maximum content size. Output parameter.
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 *  @param suffix The minimum reserved suffix size. Output parameter.
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 *  @returns EOK on success.
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 *  @returns EBADMEM if either one of the parameters is NULL.
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 *  @returns ENOENT if there is no such device.
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 *  @returns Other error codes as defined for the generic_packet_size_req() function.
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 */
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#define nil_packet_size_req( nil_phone, device_id, addr_len, prefix, content, suffix )  \
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#define nil_packet_size_req( nil_phone, device_id, addr_len, prefix, content, suffix )  \
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    generic_packet_size_req( nil_phone, NET_NIL_PACKET_SPACE, device_id, addr_len, prefix, content, suffix )
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    generic_packet_size_req( nil_phone, NET_NIL_PACKET_SPACE, device_id, addr_len, prefix, content, suffix )
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/** Registers new device or updates the MTU of an existing one.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The new device identifier. Input parameter.
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 *  @param mtu The device maximum transmission unit. Input parameter.
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 *  @param netif_service The device driver service. Input parameter.
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 *  @returns EOK on success.
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 *  @returns EEXIST if the device with the different service exists.
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 *  @returns ENOMEM if there is not enough memory left.
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 *  @returns Other error codes as defined for the generic_device_req() function.
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 */
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#define nil_device_req( nil_phone, device_id, mtu, netif_service )  \
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#define nil_device_req( nil_phone, device_id, mtu, netif_service )  \
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    generic_device_req( nil_phone, NET_NIL_DEVICE, device_id, mtu, netif_service )
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    generic_device_req( nil_phone, NET_NIL_DEVICE, device_id, mtu, netif_service )
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/** Notifies the network interface layer about the device state change.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The device identifier. Input parameter.
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 *  @param state The new device state. Input parameter.
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 *  @returns EOK on success.
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 *  @returns Other error codes as defined for each specific module device state function.
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 */
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int nil_device_state_msg( int nil_phone, device_id_t device_id, int state );
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int nil_device_state_msg( int nil_phone, device_id_t device_id, int state );
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/** Passes the packet queue to the network interface layer.
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 *  Processes and redistributes the received packet queue to the registered upper layers.
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 *  @param nil_phone The network interface layer phone. Input parameter.
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 *  @param device_id The source device identifier. Input parameter.
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 *  @param packet The received packet or the received packet queue. Input parameter.
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 *  @param target The target service. Ignored parameter.
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 *  @returns EOK on success.
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 *  @returns Other error codes as defined for each specific module received function.
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 */
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int nil_received_msg( int nil_phone, device_id_t device_id, packet_t packet, services_t target );
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int nil_received_msg( int nil_phone, device_id_t device_id, packet_t packet, services_t target );
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#endif
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#endif
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/** @}
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/** @}