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  1. /*
  2.  * Copyright (c) 2009 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ip
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  IP module interface.
  35.  *  The same interface is used for standalone remote modules as well as for bundle modules.
  36.  *  The standalone remote modules have to be compiled with the ip_remote.c source file.
  37.  *  The bundle modules with the ip.c source file.
  38.  */
  39.  
  40. #ifndef __NET_IP_INTERFACE_H__
  41. #define __NET_IP_INTERFACE_H__
  42.  
  43. #include <async.h>
  44.  
  45. #include <ipc/services.h>
  46.  
  47. #include "../include/device.h"
  48.  
  49. #include "../structures/packet/packet.h"
  50.  
  51. #include "in.h"
  52.  
  53. /** @name IP module interface
  54.  *  This interface is used by other modules.
  55.  */
  56. /*@{*/
  57.  
  58. /** The transport layer notification function type definition.
  59.  *  Notifies the transport layer modules about the received packet/s.
  60.  *  @param device_id The device identifier. Input parameter.
  61.  *  @param packet The received packet or the received packet queue. Input parameter.
  62.  *  @param receiver The receiving module service. Input parameter.
  63.  *  @returns EOK on success.
  64.  */
  65. typedef int ( * tl_received_msg_t )( device_id_t device_id, packet_t packet, services_t receiver );
  66.  
  67. /** Creates bidirectional connection with the ip module service and registers the message receiver.
  68.  *  @param service The IP module service. Input parameter.
  69.  *  @param protocol The transport layer protocol. Input parameter.
  70.  *  @param me The requesting module service. Input parameter.
  71.  *  @param receiver The message receiver. Used for remote connection. Input parameter.
  72.  *  @param tl_received_msg The message processing function. Used if bundled together. Input parameter.
  73.  *  @returns The phone of the needed service.
  74.  *  @returns EOK on success.
  75.  *  @returns Other error codes as defined for the bind_service() function.
  76.  */
  77. int ip_bind_service( services_t service, int protocol, services_t me, async_client_conn_t receiver, tl_received_msg_t tl_received_msg );
  78.  
  79. /** Registers the new device.
  80.  *  Registers itself as the ip packet receiver.
  81.  *  If the device uses ARP registers also the new ARP device.
  82.  *  @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
  83.  *  @param device_id The new device identifier. Input parameter.
  84.  *  @param netif The underlying device network interface layer service. Input parameter.
  85.  *  @returns EOK on success.
  86.  *  @returns ENOMEM if there is not enough memory left.
  87.  *  @returns EINVAL if the device configuration is invalid.
  88.  *  @returns ENOTSUP if the device uses IPv6.
  89.  *  @returns ENOTSUP if the device uses DHCP.
  90.  *  @returns Other error codes as defined for the net_get_device_conf_req() function.
  91.  *  @returns Other error codes as defined for the arp_device_req() function.
  92.  */
  93. int ip_device_req( int ip_phone, device_id_t device_id, services_t netif );
  94.  
  95. /** Sends the packet queue.
  96.  *  @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
  97.  *  @param device_id The device identifier. Input parameter.
  98.  *  @param packet The packet queue. Input parameter.
  99.  *  @param sender The sending module service. Input parameter.
  100.  *  @returns EOK on success.
  101.  *  @returns Other error codes as defined for the generic_send_msg() function.
  102.  */
  103. int ip_send_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t sender );
  104.  
  105. /** Connects to the IP module.
  106.  *  @param service The IP module service. Ignored parameter.
  107.  *  @returns The IP module phone on success.
  108.  *  @returns 0 if called by the bundle module.
  109.  */
  110. int ip_connect_module( services_t service );
  111.  
  112. /** Adds a route to the device routing table.
  113.  *  The target network is routed using this device.
  114.  *  @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
  115.  *  @param device_id The device identifier. Input parameter.
  116.  *  @param address The target network address. Input parameter.
  117.  *  @param netmask The target network mask. Input parameter.
  118.  *  @param gateway The target network gateway. Not used if zero. Input parameter.
  119.  */
  120. int ip_add_route_req( int ip_phone, device_id_t device_id, in_addr_t address, in_addr_t netmask, in_addr_t gateway );
  121.  
  122. /** Sets the default gateway.
  123.  *  This gateway is used if no other route is found.
  124.  *  @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
  125.  *  @param device_id The device identifier. Input parameter.
  126.  *  @param gateway The default gateway. Input parameter.
  127.  */
  128. int ip_set_gateway_req( int ip_phone, device_id_t device_id, in_addr_t gateway );
  129.  
  130. /** Returns the device packet dimensions for sending.
  131.  *  @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
  132.  *  @param device_id The device identifier. Input parameter.
  133.  *  @param addr_len The minimum reserved address length. Output parameter.
  134.  *  @param prefix The minimum reserved prefix size. Output parameter.
  135.  *  @param content The maximum content size. Output parameter.
  136.  *  @param suffix The minimum reserved suffix size. Output parameter.
  137.  *  @returns EOK on success.
  138.  *  @returns EBADMEM if either one of the parameters is NULL.
  139.  *  @returns ENOENT if there is no such device.
  140.  *  @returns Other error codes as defined for the generic_packet_size_req() function.
  141.  */
  142. int ip_packet_size_req( int ip_phone, device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix );
  143.  
  144. /*@}*/
  145.  
  146. #endif
  147.  
  148. /** @}
  149.  */
  150.